diff --git a/src/main/java/org/codehaus/gmavenplus/mojo/AbstractGroovyMojo.java b/src/main/java/org/codehaus/gmavenplus/mojo/AbstractGroovyMojo.java
index 6d6f8b05..d375c8b2 100644
--- a/src/main/java/org/codehaus/gmavenplus/mojo/AbstractGroovyMojo.java
+++ b/src/main/java/org/codehaus/gmavenplus/mojo/AbstractGroovyMojo.java
@@ -114,6 +114,7 @@ protected void logPluginClasspath() {
             StringBuilder sb = new StringBuilder();
             for (Artifact artifact : pluginArtifacts) {
                 sb.append(artifact.getFile());
+                sb.append(", ");
             }
             getLog().debug("Plugin classpath:\n" + sb.toString());
         }