diff --git a/erts/emulator/hipe/hipe_amd64_glue.S b/erts/emulator/hipe/hipe_amd64_glue.S
index ede762aae037..337648729217 100644
--- a/erts/emulator/hipe/hipe_amd64_glue.S
+++ b/erts/emulator/hipe/hipe_amd64_glue.S
@@ -402,7 +402,7 @@ nbif_3_simple_exception:
 	 * - the native heap/stack/reds registers are saved in P
 	 */
 .handle_trap:
-	movq	%rax, P_NARITY(P)
+	movl	%eax, P_NARITY(P)	# Note: narity is a 32-bit field
 	movl	$HIPE_MODE_SWITCH_RES_TRAP, %eax
 	jmp	.nosave_exit
 
diff --git a/erts/emulator/hipe/hipe_ppc_glue.S b/erts/emulator/hipe/hipe_ppc_glue.S
index 065196329417..c010f4f04754 100644
--- a/erts/emulator/hipe/hipe_ppc_glue.S
+++ b/erts/emulator/hipe/hipe_ppc_glue.S
@@ -541,7 +541,7 @@ CSYM(nbif_3_simple_exception):
 .handle_trap:
 	li	r3, HIPE_MODE_SWITCH_RES_TRAP
 	STORE	NSP, P_NSP(P)
-	STORE	r4, P_NARITY(P)
+	stw	r4, P_NARITY(P)	/* Note: narity is a 32-bit field */
 	STORE	TEMP_LR, P_NRA(P)
 	b	.nosave_exit