diff --git a/scm-plugins/scm-hg-plugin/src/main/java/sonia/scm/repository/HgRepositoryHandler.java b/scm-plugins/scm-hg-plugin/src/main/java/sonia/scm/repository/HgRepositoryHandler.java
index 26b1bc6f6a..fb3438bc3a 100644
--- a/scm-plugins/scm-hg-plugin/src/main/java/sonia/scm/repository/HgRepositoryHandler.java
+++ b/scm-plugins/scm-hg-plugin/src/main/java/sonia/scm/repository/HgRepositoryHandler.java
@@ -352,9 +352,13 @@ public class HgRepositoryHandler
     webSection.setParameter("allow_push", "*");
     hgrc.addSection(webSection);
 
+    
+    // register hooks
     INISection hooksSection = new INISection("hooks");
 
     hooksSection.setParameter("changegroup.scm", "python:scmhooks.callback");
+    hooksSection.setParameter("pretxnchangegroup.scm",
+                              "python:scmhooks.callback");
     hgrc.addSection(hooksSection);
 
     INIConfigurationWriter writer = new INIConfigurationWriter();