diff --git a/src/pkg/math/abs_arm.s b/src/pkg/math/abs_arm.s
index 23f6a2a2de..d7a406bec1 100644
--- a/src/pkg/math/abs_arm.s
+++ b/src/pkg/math/abs_arm.s
@@ -3,4 +3,9 @@
 // license that can be found in the LICENSE file.
 
 TEXT ·Abs(SB),7,$0
-	B ·abs(SB)
+	MOVW	lo+0(FP), R0
+	MOVW	hi+4(FP), R1
+	AND 	$((1<<31)-1), R1
+	MOVW	R0, resultlo+8(FP)
+	MOVW	R1, resulthi+12(FP)
+	RET