diff --git a/common/jpeg/simd/jiss2fst-64.asm b/common/jpeg/simd/jiss2fst-64.asm
index ab6af50..8b664a6 100644
--- a/common/jpeg/simd/jiss2fst-64.asm
+++ b/common/jpeg/simd/jiss2fst-64.asm
@@ -486,3 +486,7 @@
 	pop	rbp
 	ret
 	ret
+
+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16