diff --git a/baremetal/arch/arm/gem5_assert.S b/baremetal/arch/arm/gem5_assert.S
index 8c35117..97791c5 100644
--- a/baremetal/arch/arm/gem5_assert.S
+++ b/baremetal/arch/arm/gem5_assert.S
@@ -10,10 +10,10 @@ main:
     movt r2, #0x1234
     cmp r1, r2
     beq ok
-    # m5 fail 1
+    /* m5 fail 1 */
     mov r0, #0; mov r1, #0; mov r2, #1; mov r3, #0; .inst 0xEE000110 | (0x22 << 16);
 ok:
-    # m5 exit
+    /* m5 exit */
     mov r0, #0; mov r1, #0; .inst 0xEE000110 | (0x21 << 16);
 myvar:
     .word 0x12345678