diff --git a/common/jpeg/simd/jcsammmx.asm b/common/jpeg/simd/jcsammmx.asm
index 982a6e0..c7126a0 100644
--- a/common/jpeg/simd/jcsammmx.asm
+++ b/common/jpeg/simd/jcsammmx.asm
@@ -319,3 +319,6 @@
 	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