diff --git a/common/jpeg/simd/jisseflt.asm b/common/jpeg/simd/jisseflt.asm
index db9d1a3..d6147c1 100644
--- a/common/jpeg/simd/jisseflt.asm
+++ b/common/jpeg/simd/jisseflt.asm
@@ -567,3 +567,6 @@
 	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