diff --git a/lib/libc/powerpcspe/gen/fabs.S b/lib/libc/powerpcspe/gen/fabs.S
index da806f025394..1336745606de 100644
--- a/lib/libc/powerpcspe/gen/fabs.S
+++ b/lib/libc/powerpcspe/gen/fabs.S
@@ -31,7 +31,7 @@ __FBSDID("$FreeBSD$");
  * double fabs(double)
  */
 ENTRY(fabs)
-	efdabs	%f1,%f1
+	efdabs	%r3,%r3
 	blr
 END(fabs)