diff --git a/libstdc++-v3/include/Makefile.am b/libstdc++-v3/include/Makefile.am
index 1e9b144..b099580 100644
--- a/libstdc++-v3/include/Makefile.am
+++ b/libstdc++-v3/include/Makefile.am
@@ -1105,7 +1105,7 @@ ${host_builddir}/c++config.h: ${CONFIG_HEADER} \
 	sed -e "s,define __GLIBCXX__,define __GLIBCXX__ $$date," \
 	-e "s,define _GLIBCXX_INLINE_VERSION, define _GLIBCXX_INLINE_VERSION $$ns_version," \
 	-e "s,define _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY, define _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY $$visibility," \
-	-e "s,define _GLIBCXX_EXTERN_TEMPLATE, define _GLIBCXX_EXTERN_TEMPLATE $$externtemplate," \
+	-e "s,define _GLIBCXX_EXTERN_TEMPLATE$$, define _GLIBCXX_EXTERN_TEMPLATE $$externtemplate," \
 	-e "$$ldbl_compat" \
 	    < ${glibcxx_srcdir}/include/bits/c++config > $@ ;\
 	sed -e 's/HAVE_/_GLIBCXX_HAVE_/g' \
diff --git a/libstdc++-v3/include/Makefile.in b/libstdc++-v3/include/Makefile.in
index 19a7c0e..9344d46 100644
--- a/libstdc++-v3/include/Makefile.in
+++ b/libstdc++-v3/include/Makefile.in
@@ -1497,7 +1497,7 @@ ${host_builddir}/c++config.h: ${CONFIG_HEADER} \
 	sed -e "s,define __GLIBCXX__,define __GLIBCXX__ $$date," \
 	-e "s,define _GLIBCXX_INLINE_VERSION, define _GLIBCXX_INLINE_VERSION $$ns_version," \
 	-e "s,define _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY, define _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY $$visibility," \
-	-e "s,define _GLIBCXX_EXTERN_TEMPLATE, define _GLIBCXX_EXTERN_TEMPLATE $$externtemplate," \
+	-e "s,define _GLIBCXX_EXTERN_TEMPLATE$$, define _GLIBCXX_EXTERN_TEMPLATE $$externtemplate," \
 	-e "$$ldbl_compat" \
 	    < ${glibcxx_srcdir}/include/bits/c++config > $@ ;\
 	sed -e 's/HAVE_/_GLIBCXX_HAVE_/g' \