diff --git a/AUTHORS b/AUTHORS
index ec51e4fdc..0c9f47640 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -119,4 +119,5 @@ suggestions:
   Dmitriy Samborskiy
   Eli Lev
   Paul-Gheorghe Barbu
+  Jennifer Cormier
 
diff --git a/ChangeLog b/ChangeLog
index 0c6d54cb3..6b53c6eb3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -240,6 +240,8 @@
    to Paul-Gheorghe Barbu).
  + Fixed bug #901, which was preventing multiple IDs and UUIDs from being used
    as a filter (thanks to Bryce Harrington).
+ + Fixed bug #910, which caused unexpected behavior when duplicating a recurring
+   task (thanks to Jennifer Cormier).
  + Fixed bug #917, which mis-encoded quotes (thanks to Uli Martens).
 
 # Untracked Bugs, biggest first.
diff --git a/src/commands/CmdDuplicate.cpp b/src/commands/CmdDuplicate.cpp
index 8d2a6ec82..d6e3b33ba 100644
--- a/src/commands/CmdDuplicate.cpp
+++ b/src/commands/CmdDuplicate.cpp
@@ -82,7 +82,7 @@ int CmdDuplicate::execute (std::string& output)
       dup.remove ("parent");
       dup.remove ("recur");
       dup.remove ("until");
-      dup.remove ("imak");
+      dup.remove ("mask");
       dup.remove ("imask");
 
       std::cout << format (STRING_CMD_DUPLICATE_NON_REC, task->id)