diff --git a/common/jpeg/simd/jdsammmx.asm b/common/jpeg/simd/jdsammmx.asm
index e05d540..c09e5b9 100644
--- a/common/jpeg/simd/jdsammmx.asm
+++ b/common/jpeg/simd/jdsammmx.asm
@@ -732,3 +732,6 @@
 	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