diff --git a/include/JSystem/JParticle/JPAEmitter.h b/include/JSystem/JParticle/JPAEmitter.h
index 2828d4906..b1462455e 100644
--- a/include/JSystem/JParticle/JPAEmitter.h
+++ b/include/JSystem/JParticle/JPAEmitter.h
@@ -7,7 +7,7 @@
 #include "JSystem/JSupport/JSUList.h"
 #include "JSystem/JMath/random.h"
 #include "JSystem/JGeometry.h"
-#include "JSystem/TPosition3.hh"
+#include "JSystem/TPosition3.h"
 #include "dolphin/gx/GXStruct.h"
 #include "dolphin/mtx/mtx.h"
 
diff --git a/include/JSystem/TPosition3.hh b/include/JSystem/TPosition3.h
similarity index 100%
rename from include/JSystem/TPosition3.hh
rename to include/JSystem/TPosition3.h