diff --git a/infra/libfuzzer-pipeline.groovy b/infra/libfuzzer-pipeline.groovy
index b1af848ab..2b38737b2 100644
--- a/infra/libfuzzer-pipeline.groovy
+++ b/infra/libfuzzer-pipeline.groovy
@@ -82,8 +82,7 @@ def call(body) {
                               url: 'https://github.com/google/oss-fuzz.git',
                               path: "targets/$projectName" ]
             echo "srcmap: $srcmap"
-            def srcmapText = groovy.json.JsonOutput.toJson(srcmap)
-            writeFile file: srcmapFile text: srcmapText
+            writeFile file: srcmapFile text: groovy.json.JsonOutput.toJson(srcmap)
         } // stage("docker image")
 
         for (int i = 0; i < sanitizers.size(); i++) {