diff --git a/src/test/java/com/google/devtools/build/lib/rules/proto/ProtoLangToolchainTest.java b/src/test/java/com/google/devtools/build/lib/rules/proto/ProtoLangToolchainTest.java
index a0b7ff03a31f68..67c1f62104ff1b 100644
--- a/src/test/java/com/google/devtools/build/lib/rules/proto/ProtoLangToolchainTest.java
+++ b/src/test/java/com/google/devtools/build/lib/rules/proto/ProtoLangToolchainTest.java
@@ -143,7 +143,7 @@ public void protoToolchainBlacklistTransitiveProtos() throws Exception {
   @Test
   public void protoToolchainMixedBlacklist() throws Exception {
     // Tests legacy behaviour.
-    useConfiguration("--incompatible_blacklisted_protos_requires_proto_info");
+    useConfiguration("--incompatible_blacklisted_protos_requires_proto_info=false");
 
     scratch.file(
         "third_party/x/BUILD",