diff --git a/build.sh b/build.sh
index 9b08773..65f7934 100755
--- a/build.sh
+++ b/build.sh
@@ -8,6 +8,7 @@ clang-format -i src/emulator.c
 clang-format -i src/debugger.c
 clang-format -i src/ppu.c
 clang-format -i src/apu.c
+clang-format -i src/apu.h
 
 echo "Cleaning.."
 rm -f ./bin/assembler
diff --git a/src/apu.h b/src/apu.h
index a28394f..ae4e8b5 100644
--- a/src/apu.h
+++ b/src/apu.h
@@ -37,9 +37,9 @@ typedef struct {
 } Note;
 
 typedef struct {
-    Queue *queue;
-    Note *notes;
-    int n_notes;
+	Queue *queue;
+	Note *notes;
+	int n_notes;
 } Apu;
 
 void apu_render(Apu *apu, Uxn *u, Sint16 *samples, int n_samples);