diff --git a/paddle/scripts/paddle_build.sh b/paddle/scripts/paddle_build.sh
index afc613c4bebfc6e8c3a51df23bf5d625a9f44b8b..8bbd27a0fd3cef9a33d08521e15485529a510ae0 100755
--- a/paddle/scripts/paddle_build.sh
+++ b/paddle/scripts/paddle_build.sh
@@ -979,7 +979,7 @@ set +x
 
                 if [[ "$is_multicard" == "" ]]; then
                   # trick: treat all test case with prefix "test_dist" as dist case, and would run on 2 GPUs
-                  read is_multicard <<< $(echo "$testcase"|grep -oEi "test_dist")
+                  read is_multicard <<< $(echo "$testcase"|grep -oEi "test_dist_")
                 fi
 
                 if [[ "$is_exclusive" != "" ]]; then