diff --git a/common/jpeg/simd/jiss2fst.asm b/common/jpeg/simd/jiss2fst.asm
index fda073f..b53664d 100644
--- a/common/jpeg/simd/jiss2fst.asm
+++ b/common/jpeg/simd/jiss2fst.asm
@@ -497,3 +497,6 @@
 	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