diff --git a/src/tools/action_parse/main.cpp b/src/tools/action_parse/main.cpp
index 1abe3045..1f07de8f 100644
--- a/src/tools/action_parse/main.cpp
+++ b/src/tools/action_parse/main.cpp
@@ -40,7 +40,7 @@ struct StatusModifier
 struct StatusEntry
 {
   uint16_t id;
-  int32_t duration;
+  uint32_t duration;
   uint32_t flag;
   std::vector< StatusModifier > modifiers;
 };
diff --git a/src/world/Action/ActionLut.h b/src/world/Action/ActionLut.h
index 25865854..0b86013e 100644
--- a/src/world/Action/ActionLut.h
+++ b/src/world/Action/ActionLut.h
@@ -17,7 +17,7 @@ namespace Sapphire::World::Action
   struct StatusEntry
   {
     uint16_t id;
-    int32_t duration;
+    uint32_t duration;
     uint32_t flag;
     std::vector< StatusModifier > modifiers;
   };