diff --git a/racket/src/racket/src/lightning/arm/asm.h b/racket/src/racket/src/lightning/arm/asm.h
index 600eabb00c..81e4b78212 100644
--- a/racket/src/racket/src/lightning/arm/asm.h
+++ b/racket/src/racket/src/lightning/arm/asm.h
@@ -1665,7 +1665,7 @@ _arm_cc_pkh(jit_state_t _jitp, int cc, int o, int rn, int rd, int rm, int im)
 #define _CMN(rn,rm)		_CC_CMN(ARM_CC_AL,rn,rm)
 #define T1_CMN(rn,rm)		_jit_W(THUMB_CMN|(_u3(rm)<<3)|_u3(rm))
 #define T2_CMN(rn,rm)		torrr(THUMB2_CMN,rn,_R15,rm)
-#define _CC_CMNI(cc,rn,im)	corri(cc,ARM_CMN|ARM_I,rn,_R15,im)
+#define _CC_CMNI(cc,rn,im)	corri(cc,ARM_CMN|ARM_I,rn,0,im)
 #define _CMNI(rn,im)		_CC_CMNI(ARM_CC_AL,rn,im)
 #define T2_CMNI(rn,im)		torri(THUMB2_CMNI,rn,_R15,im)
 #define _CC_TST(cc,rn,rm)	corrr(cc,ARM_TST,rn,r0,rm)