diff --git a/src/cmd/ld/pe.c b/src/cmd/ld/pe.c
index 090d083f5d..7b9a596fce 100644
--- a/src/cmd/ld/pe.c
+++ b/src/cmd/ld/pe.c
@@ -151,6 +151,7 @@ peinit(void)
 
 	// some mingw libs depend on this symbol, for example, FindPESectionByName
 	xdefine("__image_base__", SDATA, PEBASE);
+	xdefine("_image_base__", SDATA, PEBASE);
 }
 
 static void