diff --git a/ChangeLog b/ChangeLog
index 009c569ed..c6a422317 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -22,6 +22,8 @@
   forks (thanks to Jens Erat).
 - Re-enabled hook script feedback when exiting with 0 exit status.
 - The 'info' command now shows virtual tags.
+- Fixed major on-modify hooks regression where hooks could no longer modify
+  the tasks handed to them.
 
 ------ current release ---------------------------
 
diff --git a/src/Hooks.cpp b/src/Hooks.cpp
index f1f99d1c8..a2eb0cea8 100644
--- a/src/Hooks.cpp
+++ b/src/Hooks.cpp
@@ -358,6 +358,7 @@ void Hooks::onModify (const Task& before, Task& after)
         throw 0;  // This is how hooks silently terminate processing.
       }
     }
+    after = Task (input[1]);
   }
 
   context.timer_hooks.stop ();