diff --git a/Makefile.pre.in b/Makefile.pre.in
index 53fa3ce..4ab92ce 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -393,7 +393,7 @@
 			-compatibility_version $(VERSION) \
 			-current_version $(VERSION); \
         else \
-		libtool -o $(LDLIBRARY) -dynamic $(OTHER_LIBTOOL_OPT) $(LIBRARY) \
+		/usr/bin/libtool -o $(LDLIBRARY) -dynamic $(OTHER_LIBTOOL_OPT) $(LIBRARY) \
 			@LIBTOOL_CRUFT@ ;\
 	fi
 	$(INSTALL) -d -m $(DIRMODE)  \