diff --git a/app-tools/meson.build b/app-tools/meson.build
index fcdf80f7ee..a78fe5aaae 100644
--- a/app-tools/meson.build
+++ b/app-tools/meson.build
@@ -32,9 +32,9 @@ if enable_default_bin
                     pointing_to: fs.name(gimp_debug_tool.full_path()),
                     install_dir: gimp_debug_tool_dir)
   else
-    meson.add_install_script(python, '-c', 'from shutil import copy2; from pathlib import Path; from sys import argv; copy2(argv[1], str(Path(argv[2]) / "bin" / argv[3]))',
-                             gimp_debug_tool.full_path(), get_option('prefix'), fs.name(gimp_debug_tool.name()).replace(exec_ver, '.exe'))
-    meson.add_install_script(python, '-c', 'from shutil import copy2; from pathlib import Path; from sys import argv; copy2(argv[1], str(Path(argv[2]) / "bin" / argv[3].replace("@0@", argv[4])))',
-                             gimp_debug_tool.full_path(), get_option('prefix'), fs.name(gimp_debug_tool.name()).replace(exec_ver, '-@0@.exe'), api_version_major.to_string())
+    meson.add_install_script(python, '-c', 'from shutil import copy2; from pathlib import Path; from sys import argv; import os; copy2(argv[1], str(Path(os.environ.get("MESON_INSTALL_DESTDIR_PREFIX")) / "bin" / argv[2]))',
+                             gimp_debug_tool.full_path(), fs.name(gimp_debug_tool.name()).replace(exec_ver, '.exe'))
+    meson.add_install_script(python, '-c', 'from shutil import copy2; from pathlib import Path; from sys import argv; import os; copy2(argv[1], str(Path(os.environ.get("MESON_INSTALL_DESTDIR_PREFIX")) / "bin" / argv[2].replace("@0@", argv[3])))',
+                             gimp_debug_tool.full_path(), fs.name(gimp_debug_tool.name()).replace(exec_ver, '-@0@.exe'), api_version_major.to_string())
   endif
 endif
diff --git a/app/meson.build b/app/meson.build
index dcc4c40ce8..4354a391e6 100644
--- a/app/meson.build
+++ b/app/meson.build
@@ -240,10 +240,10 @@ if enable_default_bin
                     pointing_to: fs.name(gimpmain_exe.full_path()),
                     install_dir: get_option('bindir'))
   else
-    meson.add_install_script(python, '-c', 'from shutil import copy2; from pathlib import Path; from sys import argv; copy2(argv[1], str(Path(argv[2]) / "bin" / argv[3]))',
-                             gimpmain_exe.full_path(), get_option('prefix'), fs.name(gimpmain_exe.name()).replace(exec_ver, '.exe'))
-    meson.add_install_script(python, '-c', 'from shutil import copy2; from pathlib import Path; from sys import argv; copy2(argv[1], str(Path(argv[2]) / "bin" / argv[3].replace("@0@", argv[4])))',
-                             gimpmain_exe.full_path(), get_option('prefix'), fs.name(gimpmain_exe.name()).replace(exec_ver, '-@0@.exe'), api_version_major.to_string())
+    meson.add_install_script(python, '-c', 'from shutil import copy2; from pathlib import Path; from sys import argv; import os; copy2(argv[1], str(Path(os.environ.get("MESON_INSTALL_DESTDIR_PREFIX")) / "bin" / argv[2]))',
+                             gimpmain_exe.full_path(), fs.name(gimpmain_exe.name()).replace(exec_ver, '.exe'))
+    meson.add_install_script(python, '-c', 'from shutil import copy2; from pathlib import Path; from sys import argv; import os; copy2(argv[1], str(Path(os.environ.get("MESON_INSTALL_DESTDIR_PREFIX")) / "bin" / argv[2].replace("@0@", argv[3])))',
+                             gimpmain_exe.full_path(), fs.name(gimpmain_exe.name()).replace(exec_ver, '-@0@.exe'), api_version_major.to_string())
   endif
   if enable_console_bin
     if not platform_windows
@@ -254,10 +254,10 @@ if enable_default_bin
                       pointing_to: fs.name(gimpconsole_exe.full_path()),
                       install_dir: get_option('bindir'))
     else
-      meson.add_install_script(python, '-c', 'from shutil import copy2; from pathlib import Path; from sys import argv; copy2(argv[1], str(Path(argv[2]) / "bin" / argv[3]))',
-                               gimpconsole_exe.full_path(), get_option('prefix'), fs.name(gimpconsole_exe.name()).replace(exec_ver, '.exe'))
-      meson.add_install_script(python, '-c', 'from shutil import copy2; from pathlib import Path; from sys import argv; copy2(argv[1], str(Path(argv[2]) / "bin" / argv[3].replace("@0@", argv[4])))',
-                               gimpconsole_exe.full_path(), get_option('prefix'), fs.name(gimpconsole_exe.name()).replace(exec_ver, '-@0@.exe'), api_version_major.to_string())
+      meson.add_install_script(python, '-c', 'from shutil import copy2; from pathlib import Path; from sys import argv; import os; copy2(argv[1], str(Path(os.environ.get("MESON_INSTALL_DESTDIR_PREFIX")) / "bin" / argv[2]))',
+                               gimpconsole_exe.full_path(), fs.name(gimpconsole_exe.name()).replace(exec_ver, '.exe'))
+      meson.add_install_script(python, '-c', 'from shutil import copy2; from pathlib import Path; from sys import argv; import os; copy2(argv[1], str(Path(os.environ.get("MESON_INSTALL_DESTDIR_PREFIX")) / "bin" / argv[2].replace("@0@", argv[3])))',
+                               gimpconsole_exe.full_path(), fs.name(gimpconsole_exe.name()).replace(exec_ver, '-@0@.exe'), api_version_major.to_string())
     endif
   endif
 endif
diff --git a/tools/meson.build b/tools/meson.build
index b34b5cb60c..5fa54495e9 100644
--- a/tools/meson.build
+++ b/tools/meson.build
@@ -61,15 +61,15 @@ if enable_default_bin
                     pointing_to: fs.name(gimp_test_clipboard.full_path()),
                     install_dir: get_option('bindir'))
   else
-    meson.add_install_script(python, '-c', 'from shutil import copy2; from pathlib import Path; from sys import argv; copy2(argv[1], str(Path(argv[2]) / "bin" / argv[3]))',
-                             gimptool.full_path(), get_option('prefix'), fs.name(gimptool.name()).replace(exec_ver, '.exe'))
-    meson.add_install_script(python, '-c', 'from shutil import copy2; from pathlib import Path; from sys import argv; copy2(argv[1], str(Path(argv[2]) / "bin" / argv[3].replace("@0@", argv[4])))',
-                             gimptool.full_path(), get_option('prefix'), fs.name(gimptool.name()).replace(exec_ver, '-@0@.exe'), api_version_major.to_string())
+    meson.add_install_script(python, '-c', 'from shutil import copy2; from pathlib import Path; from sys import argv; import os; copy2(argv[1], str(Path(os.environ.get("MESON_INSTALL_DESTDIR_PREFIX")) / "bin" / argv[2]))',
+                             gimptool.full_path(), fs.name(gimptool.name()).replace(exec_ver, '.exe'))
+    meson.add_install_script(python, '-c', 'from shutil import copy2; from pathlib import Path; from sys import argv; import os; copy2(argv[1], str(Path(os.environ.get("MESON_INSTALL_DESTDIR_PREFIX")) / "bin" / argv[2].replace("@0@", argv[3])))',
+                             gimptool.full_path(), fs.name(gimptool.name()).replace(exec_ver, '-@0@.exe'), api_version_major.to_string())
 
-    meson.add_install_script(python, '-c', 'from shutil import copy2; from pathlib import Path; from sys import argv; copy2(argv[1], str(Path(argv[2]) / "bin" / argv[3]))',
-                             gimp_test_clipboard.full_path(), get_option('prefix'), fs.name(gimp_test_clipboard.name()).replace(exec_ver, '.exe'))
-    meson.add_install_script(python, '-c', 'from shutil import copy2; from pathlib import Path; from sys import argv; copy2(argv[1], str(Path(argv[2]) / "bin" / argv[3].replace("@0@", argv[4])))',
-                             gimp_test_clipboard.full_path(), get_option('prefix'), fs.name(gimp_test_clipboard.name()).replace(exec_ver, '-@0@.exe'), api_version_major.to_string())
+    meson.add_install_script(python, '-c', 'from shutil import copy2; from pathlib import Path; from sys import argv; import os; copy2(argv[1], str(Path(os.environ.get("MESON_INSTALL_DESTDIR_PREFIX")) / "bin" / argv[2]))',
+                             gimp_test_clipboard.full_path(), fs.name(gimp_test_clipboard.name()).replace(exec_ver, '.exe'))
+    meson.add_install_script(python, '-c', 'from shutil import copy2; from pathlib import Path; from sys import argv; import os; copy2(argv[1], str(Path(os.environ.get("MESON_INSTALL_DESTDIR_PREFIX")) / "bin" / argv[2].replace("@0@", argv[3])))',
+                             gimp_test_clipboard.full_path(), fs.name(gimp_test_clipboard.name()).replace(exec_ver, '-@0@.exe'), api_version_major.to_string())
   endif
 endif