--- TSC-git-92d74ff7f.old/cegui/cegui/src/MinizipResourceProvider.cpp
+++ TSC-git-92d74ff7f/cegui/cegui/src/MinizipResourceProvider.cpp
@@ -132,7 +132,7 @@
 //----------------------------------------------------------------------------//
 void MinizipResourceProvider::closeArchive()
 {
-    if (unzClose(d_pimpl->d_zfile) != Z_OK)
+    if (unzClose(d_pimpl->d_zfile) != MZ_OK)
     {
         // do not throw an exception as this method is called from the destructor!
         if (CEGUI::Logger::getSingletonPtr())
@@ -183,7 +183,7 @@
             "' error reading file header"));
     }
 
-    if (unzOpenCurrentFile(d_pimpl->d_zfile) != Z_OK)
+    if (unzOpenCurrentFile(d_pimpl->d_zfile) != MZ_OK)
     {
         CEGUI_THROW(FileIOException("'" + final_filename +
             "' error opening file"));