diff --git a/common/jpeg/simd/jdclrmmx.asm b/common/jpeg/simd/jdclrmmx.asm
index 09f72ca..79772e0 100644
--- a/common/jpeg/simd/jdclrmmx.asm
+++ b/common/jpeg/simd/jdclrmmx.asm
@@ -402,3 +402,6 @@
 	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