diff --git a/package/pkg-autotools.mk b/package/pkg-autotools.mk
index 1d694f0618..54f5dcd45c 100644
--- a/package/pkg-autotools.mk
+++ b/package/pkg-autotools.mk
@@ -61,9 +61,9 @@ define LIBTOOL_PATCH_HOOK
 	@$(call MESSAGE,"Patching libtool")
 	$(Q)for i in `find $($(PKG)_SRCDIR) -name ltmain.sh`; do \
 		ltmain_version=`sed -n '/^[ 	]*VERSION=/{s/^[ 	]*VERSION=//;p;q;}' $$i | \
-		sed -e 's/\([0-9].[0-9]*\).*/\1/' -e 's/\"//'`; \
+		sed -e 's/\([0-9]*\.[0-9]*\).*/\1/' -e 's/\"//'`; \
 		ltmain_patchlevel=`sed -n '/^[     ]*VERSION=/{s/^[        ]*VERSION=//;p;q;}' $$i | \
-		sed -e 's/\([0-9].[0-9].\)\([0-9]*\).*/\2/' -e 's/\"//'`; \
+		sed -e 's/\([0-9]*\.[0-9]*\.*\)\([0-9]*\).*/\2/' -e 's/\"//'`; \
 		if test $${ltmain_version} = '1.5'; then \
 			$(APPLY_PATCHES) $${i%/*} support/libtool buildroot-libtool-v1.5.patch; \
 		elif test $${ltmain_version} = "2.2"; then\