diff --git a/src/group_gui.cpp b/src/group_gui.cpp
--- a/src/group_gui.cpp
+++ b/src/group_gui.cpp
@@ -631,7 +631,7 @@ public:
 			SetDParam(0, group);
 			str = STR_GROUP_NAME;
 		}
-		ShowQueryString(str, STR_GROUP_RENAME_CAPTION, MAX_LENGTH_GROUP_NAME_CHARS, MAX_LENGTH_GROUP_NAME_PIXELS, this, CS_ALPHANUMERAL, QSF_ENABLE_DEFAULT | QSF_LEN_IN_CHARS);
+		ShowQueryString(str, STR_GROUP_RENAME_CAPTION, MAX_LENGTH_GROUP_NAME_CHARS, this, CS_ALPHANUMERAL, QSF_ENABLE_DEFAULT | QSF_LEN_IN_CHARS);
 	}
 
 	/**