diff --git a/arch/m68k/mac/oss.c b/arch/m68k/mac/oss.c
index 6c4c882c126e8..f32a8817cc799 100644
--- a/arch/m68k/mac/oss.c
+++ b/arch/m68k/mac/oss.c
@@ -48,9 +48,8 @@ void __init oss_init(void)
 	/* Disable all interrupts. Unlike a VIA it looks like we    */
 	/* do this by setting the source's interrupt level to zero. */
 
-	for (i = 0; i <= OSS_NUM_SOURCES; i++) {
+	for (i = 0; i < OSS_NUM_SOURCES; i++)
 		oss->irq_level[i] = 0;
-	}
 }
 
 /*