diff --git a/src/include/lib/lib_38d10.h b/src/include/lib/lib_38d10.h
index ccf5c60a3..c25cf9aca 100644
--- a/src/include/lib/lib_38d10.h
+++ b/src/include/lib/lib_38d10.h
@@ -4,6 +4,6 @@
 #include "data.h"
 #include "types.h"
 
-u32 func00038d10(void);
+u32 func00038d10(u32 *arg0);
 
 #endif
diff --git a/src/lib/lib_38d10.c b/src/lib/lib_38d10.c
index 3f96f661b..da479b00c 100644
--- a/src/lib/lib_38d10.c
+++ b/src/lib/lib_38d10.c
@@ -4,11 +4,10 @@
 #include "data.h"
 #include "types.h"
 
-GLOBAL_ASM(
-glabel func00038d10
-/*    38d10:	03e00008 */ 	jr	$ra
-/*    38d14:	8c82002c */ 	lw	$v0,0x2c($a0)
-);
+u32 func00038d10(u32 *arg0)
+{
+	return arg0[11];
+}
 
 void func00038d18(void)
 {