diff --git a/common/jpeg/simd/jiss2red-64.asm b/common/jpeg/simd/jiss2red-64.asm
index dcf745b..85ba941 100644
--- a/common/jpeg/simd/jiss2red-64.asm
+++ b/common/jpeg/simd/jiss2red-64.asm
@@ -569,3 +569,7 @@
 	pop	rbx
 	pop	rbp
 	ret
+
+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+	align	16