diff --git a/gas/Makefile.in b/gas/Makefile.in
index c6779d009e2..ad33f7345be 100644
--- a/gas/Makefile.in
+++ b/gas/Makefile.in
@@ -59,7 +59,7 @@ CCLIBFLAGS = -O
 # Version of ar to use when compiling gnulib. 
 OLDAR = ar
 
-version=`$(srcdir)/../gcc$(subdir)/gcc -dumpversion`
+version=`$(unsubdir)/../gcc$(subdir)/gcc -dumpversion`
 
 # Directory where sources are, from where we are.
 srcdir = .