diff --git a/src/lib/time/control-impl.hpp b/src/lib/time/control-impl.hpp
index c950724d7..25e96dc07 100644
--- a/src/lib/time/control-impl.hpp
+++ b/src/lib/time/control-impl.hpp
@@ -151,7 +151,7 @@ namespace mutation {
       
       /** disconnect any observers */
       void
-      disconnnect()
+      disconnect()
         {
           listeners_.clear();
         }
diff --git a/src/lib/time/control.hpp b/src/lib/time/control.hpp
index 486097934..f7f78e4d1 100644
--- a/src/lib/time/control.hpp
+++ b/src/lib/time/control.hpp
@@ -151,7 +151,7 @@ namespace time {
       
       /** disconnect from observed entity and
        *  cease any change notification */
-      void disconnnect();
+      void disconnect();
     };
   
   
@@ -209,7 +209,7 @@ namespace time {
   
   template<class TI>
   void
-  Control<TI>::disconnnect()
+  Control<TI>::disconnect()
   {
     notifyListeners_.disconnect();
     this->unbind();