diff --git a/deps/datReader/Exd/Structs.h b/deps/datReader/Exd/Structs.h
index 81caefd7..6f3e9a12 100644
--- a/deps/datReader/Exd/Structs.h
+++ b/deps/datReader/Exd/Structs.h
@@ -494,7 +494,7 @@ namespace Excel
     uint16_t Icon;
     uint16_t Action;
     uint8_t StackMax;
-    int8_t padding0[1];
+    uint8_t padding0[1];
     uint8_t CastTime;
     uint8_t CastTimeLine;
     uint8_t Timeline;