diff --git a/asm/include/main_02059AF8.inc b/asm/include/main_02059B08.inc
similarity index 99%
rename from asm/include/main_02059AF8.inc
rename to asm/include/main_02059B08.inc
index ce6b1449..cd22dfb8 100644
--- a/asm/include/main_02059AF8.inc
+++ b/asm/include/main_02059B08.inc
@@ -448,4 +448,5 @@
 .public sub_02056E04
 .public sub_02058C30
 .public sub_02059AE8
+.public sub_02059AF8
 .public vsprintf
diff --git a/asm/main_02059AF8.s b/asm/main_02059B08.s
similarity index 99%
rename from asm/main_02059AF8.s
rename to asm/main_02059B08.s
index a796cdb5..aafc63a2 100644
--- a/asm/main_02059AF8.s
+++ b/asm/main_02059B08.s
@@ -1,17 +1,8 @@
 	.include "asm/macros.inc"
-	.include "main_02059AF8.inc"
+	.include "main_02059B08.inc"
 
 	.text
 
-	arm_func_start sub_02059AF8
-sub_02059AF8: ; 0x02059AF8
-	ldr ip, _02059B04 ; =CopyBitsTo
-	mov r2, #7
-	bx ip
-	.align 2, 0
-_02059B04: .word CopyBitsTo
-	arm_func_end sub_02059AF8
-
 	arm_func_start sub_02059B08
 sub_02059B08: ; 0x02059B08
 	ldr ip, _02059B14 ; =GetResolvedPerformanceProgressFlag
diff --git a/include/main_02059A74.h b/include/main_02059A74.h
index 9b63b8b2..a7aa7f80 100644
--- a/include/main_02059A74.h
+++ b/include/main_02059A74.h
@@ -3,5 +3,6 @@
 
 u32 sub_02059A74(u32 a, u32 b);
 void sub_02059AE8(void *p0, void *p1);
+void sub_02059AF8(void *dest, void *src);
 
 #endif //PMDSKY_MAIN_02059A74_H
diff --git a/main.lsf b/main.lsf
index 732f365e..454affb6 100644
--- a/main.lsf
+++ b/main.lsf
@@ -134,7 +134,7 @@ Static main
 	Object src/main_02059334.o
 	Object asm/main_0205956C.o
 	Object src/main_02059A74.o
-	Object asm/main_02059AF8.o
+	Object asm/main_02059B08.o
 	Object src/dungeon_init_2.o
 	Object asm/main_0206A750.o
 	Object src/main_0206C98C.o
diff --git a/src/main_02059A74.c b/src/main_02059A74.c
index 041a2333..c5a21d03 100644
--- a/src/main_02059A74.c
+++ b/src/main_02059A74.c
@@ -7,6 +7,7 @@ extern void sub_02059824(void *v0, u32 v1);
 extern void sub_020509BC(void *v0);
 extern void sub_020584F8(void *v0);
 extern void CopyBitsFrom(void *read_info, void *buf_read, s32 nbits);
+extern void CopyBitsTo(void *ctx, void *src, s32 nbits);
 
 u32 sub_02059A74(u32 a, u32 b)
 {
@@ -31,3 +32,8 @@ void sub_02059AE8(void *p0, void *p1)
 {
     CopyBitsFrom(p0, p1, 7);
 }
+
+void sub_02059AF8(void *dest, void *src)
+{
+    CopyBitsTo(dest, src, 7);
+}