diff --git a/src/run.bash b/src/run.bash
index a8ab1894748..83859781c1d 100755
--- a/src/run.bash
+++ b/src/run.bash
@@ -115,7 +115,8 @@ echo '#' ../test/bench/go1
 go test ../test/bench/go1
 
 (xcd ../test
-GOMAXPROCS= time go run run.go
+unset GOMAXPROCS
+time go run run.go
 ) || exit $?
 
 echo