diff --git a/src/pkg/runtime/asm_arm.s b/src/pkg/runtime/asm_arm.s
index 6acf3f73dbe..3f3b9b7bee1 100644
--- a/src/pkg/runtime/asm_arm.s
+++ b/src/pkg/runtime/asm_arm.s
@@ -198,7 +198,7 @@ TEXT runtime·onM(SB), NOSPLIT, $0-4
 	CMP	g, R2
 	B.EQ	onm
 
-	MOVW	m_g0(R1), R3
+	MOVW	m_curg(R1), R3
 	CMP	g, R3
 	B.EQ	oncurg