diff --git a/scripts/test.sh b/scripts/test.sh
index 2890ab61b..c778cda02 100755
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -4,8 +4,8 @@
 trap cleanup EXIT
 
 cleanup() {
-  # Kill the testrpc instance that we started (if we started one).
-  if [ -n "$testrpc_pid" ]; then
+  # Kill the testrpc instance that we started (if we started one and if it's still running).
+  if [ -n "$testrpc_pid" ] && ps -p $testrpc_pid > /dev/null; then
     kill -9 $testrpc_pid
   fi
 }