diff --git a/src/jenkins/ReleaseMetricsData.groovy b/src/jenkins/ReleaseMetricsData.groovy
index 73203e62..39edff67 100644
--- a/src/jenkins/ReleaseMetricsData.groovy
+++ b/src/jenkins/ReleaseMetricsData.groovy
@@ -43,7 +43,7 @@ class ReleaseMetricsData {
                                 filter: [
                                         [
                                                 match_phrase: [
-                                                        version: ${this.version}
+                                                        version: "${this.version}"
                                                 ]
                                         ],
                                         [