diff --git a/rpcs3/util/vm_native.cpp b/rpcs3/util/vm_native.cpp
index 0d566e3532..8c9a5dd693 100644
--- a/rpcs3/util/vm_native.cpp
+++ b/rpcs3/util/vm_native.cpp
@@ -139,7 +139,7 @@ namespace utils
 
 		const u64 map_size = s_is_mapping.size();
 
-		for (u64 i = map_size; i != umax; i--)
+		for (u64 i = map_size - 1; i != umax; i--)
 		{
 			auto& info = s_is_mapping[i];