diff --git a/src/Makefile b/src/Makefile
index 8b41ceb9c..b70a3ffab 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -55,7 +55,7 @@ endif
 ifdef GIT_SHA
   $(info GIT_SHA: $(GIT_SHA))
 else
-  GIT_SHA := $(shell git rev-parse --short HEAD 2>$(NULLDEV))
+  GIT_SHA := $(shell git rev-parse --short HEAD 2>$(NULLDEV) || svnversion -n)
   ifneq ($(words $(GIT_SHA)),1)
     GIT_SHA := N/A
     $(info GIT_SHA: N/A)