--- libgig/trunk/src/gig.cpp	2021/06/17 09:44:03	3934
+++ libgig/trunk/src/gig.cpp	2021/06/17 10:09:42	3935
@@ -6956,10 +6956,10 @@
      * @param index - number of the sought group (0..n)
      * @returns sought group or NULL if there's no such group
      */
-    Group* File::GetGroup(uint index) {
+    Group* File::GetGroup(size_t index) {
         if (!pGroups) LoadGroups();
         GroupsIterator = pGroups->begin();
-        for (uint i = 0; GroupsIterator != pGroups->end(); i++) {
+        for (size_t i = 0; GroupsIterator != pGroups->end(); i++) {
             if (i == index) return *GroupsIterator;
             ++GroupsIterator;
         }