diff --git a/tests/script/sh/exec.sh b/tests/script/sh/exec.sh
index ebfe8861b0..1fd859213d 100755
--- a/tests/script/sh/exec.sh
+++ b/tests/script/sh/exec.sh
@@ -95,7 +95,7 @@ else
   if [ -n "$PID" ]; then 
     if [ "$SIGNAL" = "SIGINT" ]; then 
       echo killed by signal
-      kill -sigint $PID
+      kill -SIGINT $PID
     else
       kill -9 $PID
     fi