diff --git a/defs/gmake.mk b/defs/gmake.mk
index d8a43802ef..2db12cea69 100644
--- a/defs/gmake.mk
+++ b/defs/gmake.mk
@@ -148,7 +148,7 @@ commit: $(if $(filter commit,$(MAKECMDGOALS)),$(filter-out commit,$(MAKECMDGOALS
 	  sed 's/^@.*@$$//;s/@[A-Za-z_][A-Za-z_0-9]*@//g;/^all-incs:/d' defs/gmake.mk Makefile.in; \
 	  sed 's/{[.;]*$$([a-zA-Z0-9_]*)}//g' common.mk; \
 	} | \
-	$(MAKE) $(mflags) Q=$(Q) ECHO=$(ECHO) srcdir="$(srcdir)" srcs_vpath="$(srcdir)/" CHDIR="$(CHDIR)" \
+	$(MAKE) $(mflags) Q=$(Q) ECHO=$(ECHO) srcdir="$(srcdir)" srcs_vpath="" CHDIR="$(CHDIR)" \
 		BOOTSTRAPRUBY="$(BOOTSTRAPRUBY)" MINIRUBY="$(BASERUBY)" BASERUBY="$(BASERUBY)" \
 		VCSUP="" ENC_MK=.top-enc.mk REVISION_FORCE=PHONY CONFIGURE="$(CONFIGURE)" -f - \
 		update-src srcs all-incs