diff --git a/engines/zvision/script_manager.cpp b/engines/zvision/script_manager.cpp
index 90bc202dacd..2f486c440ab 100644
--- a/engines/zvision/script_manager.cpp
+++ b/engines/zvision/script_manager.cpp
@@ -55,7 +55,7 @@ void ScriptManager::createReferenceTable() {
 	}
 
 	// Remove duplicate entries
-	for (Common::HashMap<uint32, Common::Array<Puzzle *> >::iterator referenceTableIter; referenceTableIter != _referenceTable.end(); referenceTableIter++) {
+	for (Common::HashMap<uint32, Common::Array<Puzzle *> >::iterator referenceTableIter = _referenceTable.begin(); referenceTableIter != _referenceTable.end(); referenceTableIter++) {
 		removeDuplicateEntries(&(referenceTableIter->_value));
 	}
 }