diff --git a/firmware/firmware.make b/firmware/firmware.make
index 57c67ce310..badd22ae76 100644
--- a/firmware/firmware.make
+++ b/firmware/firmware.make
@@ -44,7 +44,7 @@ $(BUILDDIR)/sysfont.o: $(SYSFONT) $(BUILDDIR)/sysfont.h
 	$(call PRINTS,CONVBDF $(subst $(ROOTDIR)/,,$<))$(TOOLSDIR)/convbdf -l $(MAXCHAR) -c -o $(BUILDDIR)/sysfont.c $<
 	$(call PRINTS,CC $(subst $(ROOTDIR)/,,$(BUILDDIR)/sysfont.c))$(CC) $(CFLAGS) -c $(BUILDDIR)/sysfont.c -o $@
 
-SVNVERSION:=$(shell $(TOOLSDIR)/version.sh)
+SVNVERSION:=$(shell $(TOOLSDIR)/version.sh $(ROOTDIR))
 OLDSVNVERSION:=$(shell grep 'RBVERSION' $(BUILDDIR)/version.h 2>/dev/null|cut -d '"' -f 2 || echo "NOREVISION")
 
 ifneq ($(SVNVERSION),$(OLDSVNVERSION))