diff --git a/pom.xml b/pom.xml
index fe780d2dd8..adea6a9951 100644
--- a/pom.xml
+++ b/pom.xml
@@ -427,7 +427,7 @@
     <jetty.version>7.6.8.v20121106</jetty.version>
 
     <!-- security libraries -->
-    <shiro.version>1.2.1</shiro.version>
+    <shiro.version>1.2.1-scm1</shiro.version>
 
     <!-- repostitory libraries -->
     <jgit.version>2.2.0.201212191850-r</jgit.version>
diff --git a/scm-webapp/src/main/java/sonia/scm/web/security/DefaultAdministrationContext.java b/scm-webapp/src/main/java/sonia/scm/web/security/DefaultAdministrationContext.java
index 57434346d7..34517fab79 100644
--- a/scm-webapp/src/main/java/sonia/scm/web/security/DefaultAdministrationContext.java
+++ b/scm-webapp/src/main/java/sonia/scm/web/security/DefaultAdministrationContext.java
@@ -268,8 +268,8 @@ public class DefaultAdministrationContext implements AdministrationContext
 
       if (logger.isDebugEnabled())
       {
-        logger.debug("release runas for user {}",
-          collection.getPrimaryPrincipal());
+        logger.debug("release runas for user {}/{}",
+          principal, collection.getPrimaryPrincipal());
       }
 
       if (!subject.getPrincipal().equals(principal))