diff --git a/cogl/Makefile.am b/cogl/Makefile.am
index 027df65f5..31c7f1958 100644
--- a/cogl/Makefile.am
+++ b/cogl/Makefile.am
@@ -563,7 +563,7 @@ dist-hook: ../build/win32/vs9/cogl.vcproj ../build/win32/vs10/cogl.vcxproj ../bu
 	rm cogl.vs10.sourcefiles.filters
 
 cogl.vsenums_h:
-	echo 'perl %1\bin\glib-mkenums --symbol-prefix cogl_gtype --template ../../cogl/cogl-enum-types.h.in ' >vsenums_h.temp1
+	echo 'perl %1\bin\glib-mkenums --template ../../cogl/cogl-enum-types.h.in ' >vsenums_h.temp1
 	for F in `echo $(cogl_1_public_h) $(srcdir)/cogl-win32-renderer.h`; do \
 		case $$F in \
 		*xlib*.h|*wayland*.h) ;; \
@@ -578,7 +578,7 @@ cogl.vsenums_h:
 	rm vsenums_h.temp
 
 cogl.vsenums_c:
-	echo 'perl %1\bin\glib-mkenums --symbol-prefix cogl_gtype --template ../../cogl/cogl-enum-types.c.in ' >vsenums_c.temp1
+	echo 'perl %1\bin\glib-mkenums --template ../../cogl/cogl-enum-types.c.in ' >vsenums_c.temp1
 	for F in `echo $(cogl_1_public_h) $(srcdir)/cogl-win32-renderer.h`; do \
 		case $$F in \
 		*xlib*.h|*wayland*.h) ;; \