diff --git a/libstdc++-v3/src/Makefile.am b/libstdc++-v3/src/Makefile.am
index b8475e3dd52..da43744157b 100644
--- a/libstdc++-v3/src/Makefile.am
+++ b/libstdc++-v3/src/Makefile.am
@@ -43,7 +43,7 @@ libstdc++-symbol.ver:  ${glibcxx_srcdir}/@SYMVER_MAP@
 	if test "x@port_specific_symbol_files@" != x; then \
 	  sed -n '1,/DO NOT DELETE/p' $@ > tmp.top; \
 	  sed -n '/DO NOT DELETE/,$$p' $@ > tmp.bottom; \
-	  cat tmp.top @port_specific_symbol_file@ tmp.bottom > $@; \
+	  cat tmp.top @port_specific_symbol_files@ tmp.bottom > $@; \
 	  rm tmp.top tmp.bottom; \
 	fi
 else
diff --git a/libstdc++-v3/src/Makefile.in b/libstdc++-v3/src/Makefile.in
index fada411052e..6f58567bc45 100644
--- a/libstdc++-v3/src/Makefile.in
+++ b/libstdc++-v3/src/Makefile.in
@@ -491,7 +491,7 @@ mostlyclean distclean maintainer-clean
 @GLIBCXX_BUILD_VERSIONED_SHLIB_TRUE@	if test "x@port_specific_symbol_files@" != x; then \
 @GLIBCXX_BUILD_VERSIONED_SHLIB_TRUE@	  sed -n '1,/DO NOT DELETE/p' $@ > tmp.top; \
 @GLIBCXX_BUILD_VERSIONED_SHLIB_TRUE@	  sed -n '/DO NOT DELETE/,$$p' $@ > tmp.bottom; \
-@GLIBCXX_BUILD_VERSIONED_SHLIB_TRUE@	  cat tmp.top @port_specific_symbol_file@ tmp.bottom > $@; \
+@GLIBCXX_BUILD_VERSIONED_SHLIB_TRUE@	  cat tmp.top @port_specific_symbol_files@ tmp.bottom > $@; \
 @GLIBCXX_BUILD_VERSIONED_SHLIB_TRUE@	  rm tmp.top tmp.bottom; \
 @GLIBCXX_BUILD_VERSIONED_SHLIB_TRUE@	fi
 @GLIBCXX_BUILD_VERSIONED_SHLIB_FALSE@libstdc++-symbol.ver: