diff --git a/configure.ac b/configure.ac
index 3748bbcf071..d68cf42145a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2856,7 +2856,7 @@ PGTK_OBJ=
 PGTK_LIBS=
 if test "$window_system" = "pgtk"; then
   PGTK_OBJ="pgtkfns.o pgtkterm.o pgtkselect.o pgtkmenu.o pgtkim.o xsettings.o"
-  PGTK_LIBS="$GTK_LIBS -ldl"
+  PGTK_LIBS="$GTK_LIBS"
   HAVE_PGTK=yes
   AC_DEFINE([HAVE_PGTK], 1, [Define to 1 if you have pure Gtk+-3.])
 fi