diff --git a/src/video_core/shader/control_flow.cpp b/src/video_core/shader/control_flow.cpp
index 37792d420e..ec3a766900 100644
--- a/src/video_core/shader/control_flow.cpp
+++ b/src/video_core/shader/control_flow.cpp
@@ -84,7 +84,7 @@ std::pair<BlockCollision, u32> TryGetBlock(CFGRebuildState& state, u32 address)
             return {BlockCollision::Inside, index};
         }
     }
-    return {BlockCollision::None, -1};
+    return {BlockCollision::None, 0xFFFFFFFF};
 }
 
 struct ParseInfo {