diff --git a/vars/buildStep.groovy b/vars/buildStep.groovy
index 8aa1cb7..fc0234b 100644
--- a/vars/buildStep.groovy
+++ b/vars/buildStep.groovy
@@ -22,7 +22,7 @@ def call(Map config = [:]) {
         error("ERROR: File ${runConfig.buildTest} does not exist in workspace.")
     }
     if (runConfig.saveArtifacts) {
-        artifactsList = runConfig.artifacts.inspect().replaceAll("\\[\\]")
+        artifactsList = runConfig.artifacts.inspect().replaceAll('\\[\\]','')
         archiveArtifacts artifacts: artifactsList, followSymlinks: false
     }
 }