diff --git a/common/jpeg/simd/jdmrgmmx.asm b/common/jpeg/simd/jdmrgmmx.asm
index 08b0985..f5fa936 100644
--- a/common/jpeg/simd/jdmrgmmx.asm
+++ b/common/jpeg/simd/jdmrgmmx.asm
@@ -461,3 +461,6 @@
 	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