diff --git a/common/jpeg/simd/jiss2red.asm b/common/jpeg/simd/jiss2red.asm
index 10046e9..238c61d 100644
--- a/common/jpeg/simd/jiss2red.asm
+++ b/common/jpeg/simd/jiss2red.asm
@@ -589,3 +589,6 @@
 	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