diff --git a/src/common/windowid.cpp b/src/common/windowid.cpp
index 10e57fa66c..8db065e015 100644
--- a/src/common/windowid.cpp
+++ b/src/common/windowid.cpp
@@ -202,7 +202,7 @@ wxWindowID wxIdManager::ReserveId(int count)
                     while(count--)
                         ReserveIdRefCount(id--);
 
-                    return id;
+                    return id + 1;
                 }
             }
             else