diff --git a/tools/jenkins-scripts/pull-request-builder.py b/tools/jenkins-scripts/pull-request-builder.py
index 2719d45f63..ff238ce440 100755
--- a/tools/jenkins-scripts/pull-request-builder.py
+++ b/tools/jenkins-scripts/pull-request-builder.py
@@ -117,7 +117,7 @@ def main():
     print "Before checkout: git clean -xdf -f"    
     os.system("git clean -xdf -f")
     #fetch pull request to local repo
-    git_fetch_pr = "git fetch origin pull/" + str(pr_num) + "/merge"
+    git_fetch_pr = "git fetch origin pull/" + str(pr_num) + "/head"
     ret = os.system(git_fetch_pr)
     if(ret != 0):
         return(2)