diff --git a/src/runtime/sys_linux_arm.s b/src/runtime/sys_linux_arm.s
index 242da45d92..db9fcb90cf 100644
--- a/src/runtime/sys_linux_arm.s
+++ b/src/runtime/sys_linux_arm.s
@@ -312,7 +312,8 @@ TEXT runtime·clone(SB),NOSPLIT,$0
 // int32 clone0(int32 flags, void *stack, void* fn, void* fnarg);
 TEXT runtime·clone0(SB),NOSPLIT,$0
 	// TODO(spetrovic): Implement this method.
-	MOVW	$-1, ret+16(FP)
+	MOVW	$-1, R0
+	MOVW	R0, ret+16(FP)
 	RET
 
 TEXT runtime·sigaltstack(SB),NOSPLIT,$0
diff --git a/src/runtime/sys_linux_arm64.s b/src/runtime/sys_linux_arm64.s
index 06797c275d..28d813f849 100644
--- a/src/runtime/sys_linux_arm64.s
+++ b/src/runtime/sys_linux_arm64.s
@@ -359,7 +359,8 @@ again:
 // int32 clone0(int32 flags, void *stack, void* fn, void* fnarg);
 TEXT runtime·clone0(SB),NOSPLIT,$0
 	// TODO(spetrovic): Implement this method.
-	MOVW	$-1, ret+32(FP)
+	MOVW	$-1, R0
+	MOVW	R0, ret+32(FP)
 	RET
 
 TEXT runtime·sigaltstack(SB),NOSPLIT,$-8
diff --git a/src/runtime/sys_linux_ppc64x.s b/src/runtime/sys_linux_ppc64x.s
index 1b8abb3f50..b0477d3c2f 100644
--- a/src/runtime/sys_linux_ppc64x.s
+++ b/src/runtime/sys_linux_ppc64x.s
@@ -348,7 +348,8 @@ TEXT runtime·clone(SB),NOSPLIT,$-8
 // int32 clone0(int32 flags, void *stack, void* fn, void* fnarg);
 TEXT runtime·clone0(SB),NOSPLIT,$0
 	// TODO(spetrovic): Implement this method.
-	MOVW	$-1, ret+32(FP)
+	MOVW	$-1, R3
+	MOVW	R3, ret+32(FP)
 	RETURN
 
 TEXT runtime·sigaltstack(SB),NOSPLIT,$-8