diff --git a/[refs] b/[refs]
index 05b8da111bd9..bb8f0f0eebe9 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: bfe5424a8b31624e7a476f959d552999f931e7c7
+refs/heads/master: 5d61b9fd19d9f3cf653dbba615876e7792eea5ea
diff --git a/trunk/tools/perf/util/PERF-VERSION-GEN b/trunk/tools/perf/util/PERF-VERSION-GEN
index 26d4d3fd6deb..9c5fb4d93824 100755
--- a/trunk/tools/perf/util/PERF-VERSION-GEN
+++ b/trunk/tools/perf/util/PERF-VERSION-GEN
@@ -23,12 +23,7 @@ if test -d ../../.git -o -f ../../.git &&
 then
 	VN=$(echo "$VN" | sed -e 's/-/./g');
 else
-	eval $(grep '^VERSION[[:space:]]*=' ../../Makefile|tr -d ' ')
-	eval $(grep '^PATCHLEVEL[[:space:]]*=' ../../Makefile|tr -d ' ')
-	eval $(grep '^SUBLEVEL[[:space:]]*=' ../../Makefile|tr -d ' ')
-	eval $(grep '^EXTRAVERSION[[:space:]]*=' ../../Makefile|tr -d ' ')
-
-	VN="${VERSION}.${PATCHLEVEL}.${SUBLEVEL}${EXTRAVERSION}"
+	VN=$(make -sC ../.. kernelversion)
 fi
 
 VN=$(expr "$VN" : v*'\(.*\)')