diff --git a/plugins/git4idea/src/git4idea/commands/GitHandler.java b/plugins/git4idea/src/git4idea/commands/GitHandler.java
index edced19ad832..e37db82a7df2 100644
--- a/plugins/git4idea/src/git4idea/commands/GitHandler.java
+++ b/plugins/git4idea/src/git4idea/commands/GitHandler.java
@@ -510,12 +510,14 @@ public abstract class GitHandler {
         public void onLineAvailable(@NonNls String line, Key outputType) {
           String lowerCaseLine = line.toLowerCase();
           if (lowerCaseLine.contains("authentication failed") || lowerCaseLine.contains("403 forbidden")) {
+            LOG.debug("auth listener: auth failure detected: " + line);
             myHttpAuthFailed = true;
           }
         }
 
         @Override
         public void processTerminated(int exitCode) {
+          LOG.debug("auth listener: process terminated. auth failed=" + myHttpAuthFailed + ", cancelled=" + authenticator.wasCancelled());
           if (!authenticator.wasCancelled()) {
             if (myHttpAuthFailed) {
               authenticator.forgetPassword();