diff --git a/CHANGES b/CHANGES
index f49f441bb..feb0a633b 100644
--- a/CHANGES
+++ b/CHANGES
@@ -29,6 +29,7 @@ Emulation fixes:
  - GBA Video: Fix invalid read in mode 4 mosaic
  - GBA Video: Fix color of disabled screen
  - SM83: Emulate HALT bug
+ - SM83: Fix flags on little endian PowerPC
 Other fixes:
  - All: Improve export headers (fixes mgba.io/i/1738)
  - All: Correct format strings for some numbers on Windows (fixes mgba.io/i/1794)
diff --git a/include/mgba/internal/sm83/sm83.h b/include/mgba/internal/sm83/sm83.h
index 3e36e4e26..eebce61e3 100644
--- a/include/mgba/internal/sm83/sm83.h
+++ b/include/mgba/internal/sm83/sm83.h
@@ -18,7 +18,7 @@ struct SM83Core;
 #pragma pack(push, 1)
 union FlagRegister {
 	struct {
-#if defined(__POWERPC__) || defined(__PPC__)
+#ifdef __BIG_ENDIAN__
 		unsigned z : 1;
 		unsigned n : 1;
 		unsigned h : 1;