diff --git a/build/autotools/Makefile.am.enums b/build/autotools/Makefile.am.enums
index 0f347320f..c2c89e000 100644
--- a/build/autotools/Makefile.am.enums
+++ b/build/autotools/Makefile.am.enums
@@ -34,7 +34,7 @@ stamp-enum-types: $(glib_enum_headers) $(srcdir)/$(enum_tmpl_h)
 $(glib_enum_h): stamp-enum-types
 	@true
 
-$(glib_enum_c): $(glib_enum_h) $(srcdir)/$(enum_tmpl_c)
+$(glib_enum_c): $(glib_enum_headers) $(glib_enum_h) $(srcdir)/$(enum_tmpl_c)
 	$(QUIET_GEN)$(GLIB_MKENUMS) \
 		--template $(srcdir)/$(enum_tmpl_c) \
 	$(glib_enum_headers) > xgen-ec \