diff --git a/Makefile b/Makefile
index 164bb0c..60a0717 100644
--- a/Makefile
+++ b/Makefile
@@ -274,7 +274,7 @@ build/src/hal_libc.o: CFLAGS += -signed
 
 build/src/libleo/%.o: CC := $(CC_OLD)
 
-build/src/C970.o: CC := $(CC_OLD)
+build/src/jpegutils.o: CC := $(CC_OLD)
 
 build/src/D470.o: CC := $(CC_OLD)
 build/src/D470.o: OPTFLAGS := -O0
diff --git a/src/3FB0.h b/src/3FB0.h
index d4f5e7d..a31a0a0 100644
--- a/src/3FB0.h
+++ b/src/3FB0.h
@@ -3,7 +3,7 @@
 
 #include "global.h"
 #include "5580.h"
-#include "C970.h"
+#include "jpegutils.h"
 #include "CE80.h"
 #include "src/memmap.h"
 #include "src/memory.h"
diff --git a/src/CE80.h b/src/CE80.h
index 5db1ce5..db01d13 100644
--- a/src/CE80.h
+++ b/src/CE80.h
@@ -2,7 +2,7 @@
 #define _CE80_H_
 
 #include "global.h"
-#include "C970.h"
+#include "jpegutils.h"
 
 typedef struct unk_func_80003680_sp27 {
     /* 0x00 */ s32 unk_00;
diff --git a/src/C970.c b/src/jpegutils.c
similarity index 99%
rename from src/C970.c
rename to src/jpegutils.c
index 426d0c0..b0f41de 100644
--- a/src/C970.c
+++ b/src/jpegutils.c
@@ -1,4 +1,4 @@
-#include "C970.h"
+#include "jpegutils.h"
 
 typedef struct JpegHuffmanTableOld {
     /* 0x000 */ u8 codeOffs[16];
diff --git a/src/C970.h b/src/jpegutils.h
similarity index 90%
rename from src/C970.h
rename to src/jpegutils.h
index 3c3df77..e70efb5 100644
--- a/src/C970.h
+++ b/src/jpegutils.h
@@ -1,5 +1,5 @@
-#ifndef _C970_H_
-#define _C970_H_
+#ifndef JPEGUTILS_H
+#define JPEGUTILS_H
 
 #include "global.h"
 
@@ -18,4 +18,4 @@ void JpegUtils_ProcessQuantizationTable(u8* dqt, JpegQuantizationTable* qt, u8 n
 s32 JpegUtils_ProcessHuffmanTable(u8*, JpegHuffmanTable*, u8*, u16*, u8);
 u16 JpegUtils_SetHuffmanTable(u8* data, JpegHuffmanTable* ht, u16* codes);
 
-#endif // _C970_H_
+#endif // JPEGUTILS_H
diff --git a/yamls/us/rom.yaml b/yamls/us/rom.yaml
index b107e9b..fbf0b71 100644
--- a/yamls/us/rom.yaml
+++ b/yamls/us/rom.yaml
@@ -47,7 +47,7 @@
     - [0xC4A0, hasm, abs] # abs function
     - [0xC4B0, c, libleo/bootdisk]
     - [0xC910, hasm, ../../src/libleo/bootstrap]
-    - [0xC970, c]
+    - [0xC970, c, jpegutils]
     - [0xCE80, c] #
     - [0xD470, c] #
     - [0xDDC0, c]