diff --git a/src/nu/nucontpakgetfree.c b/src/nu/nucontpakgetfree.c
index b896476..e63c4b0 100644
--- a/src/nu/nucontpakgetfree.c
+++ b/src/nu/nucontpakgetfree.c
@@ -1,3 +1,13 @@
 #include "common.h"
 
-INCLUDE_ASM(const s32, "nu/nucontpakgetfree", nuContPakGetFree);
+#include "nu/nusys.h"
+
+/* 1B030 8008AC30 */
+s32 nuContPakGetFree(NUContPakFile* file) {
+    NUContPakFreeMesg mesg;
+
+    mesg.file = file;
+    file->error = nuSiSendMesg(NU_CONT_PAK_FREE_MSG, &mesg);
+    return mesg.size;
+}
+