diff --git a/src/core/Fire.h b/src/core/Fire.h
index aa65fb8f..e6c7dd7d 100644
--- a/src/core/Fire.h
+++ b/src/core/Fire.h
@@ -14,7 +14,7 @@ public:
 	CEntity *m_pSource;
 	uint32 m_nExtinguishTime;
 	uint32 m_nStartTime;
-	int field_20;
+	int32 field_20;
 	uint32 field_24;
 	uint32 m_nFiremenPuttingOut;
 	float m_fStrength;