diff --git a/test/AutoDiff/SILGen/differentiable_function.swift b/test/AutoDiff/SILGen/differentiable_function.swift
index e298eb690a55e..bd1282fa59199 100644
--- a/test/AutoDiff/SILGen/differentiable_function.swift
+++ b/test/AutoDiff/SILGen/differentiable_function.swift
@@ -1,4 +1,5 @@
 // RUN: %target-swift-frontend -emit-silgen -enable-experimental-differentiable-programming %s | %FileCheck %s
+// REQUIRES: differentiable_programming
 
 // Test SILGen for `@differentiable` function typed values.