diff --git a/agb/src/sound/mixer/mixer.s b/agb/src/sound/mixer/mixer.s
index 3ea6f64e..4d078f01 100644
--- a/agb/src/sound/mixer/mixer.s
+++ b/agb/src/sound/mixer/mixer.s
@@ -30,7 +30,7 @@ agb_arm_func agb_rs__mixer_add
 
     str r4, [r1], #4         @ store the new value, and increment the pointer
 .endm
-    
+
     mixer_add_loop
     mixer_add_loop
     mixer_add_loop