diff --git a/makefile b/makefile
index 777da4a7..1b18dec3 100644
--- a/makefile
+++ b/makefile
@@ -98,13 +98,14 @@ usage:
 
 
 
-# Generate config files Configuration.Make and Configuartion.Mod
+# Generate config files Configuration.Make and Configuration.Mod
 FORCE:
 
 configuration: FORCE
 	@$(CC) -I src/system -o a.o src/tools/make/configure.c
 	@./a.o
 	@rm a.o
+	@echo BRANCH=$$(git rev-parse --abbrev-ref HEAD)>>Configuration.Make
 
 
 
diff --git a/src/tools/make/vishap.make b/src/tools/make/vishap.make
index 54ee3289..c9edfa55 100644
--- a/src/tools/make/vishap.make
+++ b/src/tools/make/vishap.make
@@ -363,7 +363,7 @@ library: v4 ooc2 ooc ulm pow32 misc s3 librarybinary
 
 
 checksum:
-	@cd $(BUILDDIR) && sh $(ROOTDIR)/src/tools/make/checksumtest.sh $(ROOTDIR)/$(BUILDDIR).md5
+	@cd $(BUILDDIR) && sh $(ROOTDIR)/src/tools/make/checksumtest.sh $(ROOTDIR)/$(BUILDDIR).$(BRANCH).md5