diff --git a/common/jpeg/simd/jcclrmmx.asm b/common/jpeg/simd/jcclrmmx.asm
index 34c4224..b6b8912 100644
--- a/common/jpeg/simd/jcclrmmx.asm
+++ b/common/jpeg/simd/jcclrmmx.asm
@@ -474,3 +474,6 @@
 	pop	ebp
 	ret
 
+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16