diff --git a/src/dynarec/arm_lock_helper.S b/src/dynarec/arm_lock_helper.S
index 68ebb6510..11542a142 100755
--- a/src/dynarec/arm_lock_helper.S
+++ b/src/dynarec/arm_lock_helper.S
@@ -101,6 +101,7 @@ arm_lock_storeifnull:
     beq     arm_lock_storeifnull
 arm_lock_storeifnull_exit:
     mov     r0, r2
+    dmb     ish
     bx      lr
 
 arm_lock_storeifref2:
@@ -116,6 +117,7 @@ arm_lock_storeifref2_loop:
     beq     arm_lock_storeifref_loop
     mov     r0, r2
 arm_lock_storeifref2_exit:
+    dmb     ish
     bx      lr
 
 arm_lock_storeifref:
@@ -175,11 +177,13 @@ arm_lock_incif0b_0:
     bx      lr
 
 arm_lock_stored:
+    dmb     ish
     str     r1, [r0]
     dmb     ish
     bx      lr
 
 arm_lock_storeb:
+    dmb     ish
     strb    r1, [r0]
     dmb     ish
     bx      lr