diff --git a/common/jpeg/simd/jcqnt3dn.asm b/common/jpeg/simd/jcqnt3dn.asm
index 194b7f9..182c869 100644
--- a/common/jpeg/simd/jcqnt3dn.asm
+++ b/common/jpeg/simd/jcqnt3dn.asm
@@ -228,3 +228,6 @@
 	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