diff --git a/src/NpChar.cpp b/src/NpChar.cpp
index 46c314da..b4f914d9 100644
--- a/src/NpChar.cpp
+++ b/src/NpChar.cpp
@@ -26,12 +26,7 @@ int gSuperYpos;
 
 const char *gPassPixEve = "PXE";
 
-void InitNpChar(void)
-{
-	memset(gNPC, 0, sizeof(gNPC));
-}
-
-void SetUniqueParameter(NPCHAR *npc)
+static void SetUniqueParameter(NPCHAR *npc)
 {
 	int code = npc->code_char;
 	npc->surf = (SurfaceID)gNpcTable[code].surf;
@@ -50,6 +45,11 @@ void SetUniqueParameter(NPCHAR *npc)
 	npc->view.bottom = gNpcTable[code].view.bottom * 0x200;
 }
 
+void InitNpChar(void)
+{
+	memset(gNPC, 0, sizeof(gNPC));
+}
+
 BOOL LoadEvent(const char *path_event)
 {
 	int i, n;