--- a/Makefile.am
+++ b/Makefile.am
@@ -491,6 +491,9 @@ typelibs_DATA = extras/gudev/GUdev-1.0.t
 CLEANFILES += $(gir_DATA) $(typelibs_DATA)
 endif # ENABLE_INTROSPECTION
 
+libgudev-install-move-hook: rootlib_execdir := $(exec_prefix)$(rootlib_execdir)
+libgudev-uninstall-move-hook: rootlib_execdir := $(exec_prefix)$(rootlib_execdir)
+
 # move lib from $(libdir) to $(rootlib_execdir) and update devel link, if needed
 libgudev-install-move-hook:
 	if test "$(libdir)" != "$(rootlib_execdir)"; then \
