diff --git a/java/dagger/internal/codegen/compileroption/ProcessingEnvironmentCompilerOptions.java b/java/dagger/internal/codegen/compileroption/ProcessingEnvironmentCompilerOptions.java
index 0fc9caad8d7..81380055a91 100644
--- a/java/dagger/internal/codegen/compileroption/ProcessingEnvironmentCompilerOptions.java
+++ b/java/dagger/internal/codegen/compileroption/ProcessingEnvironmentCompilerOptions.java
@@ -404,7 +404,7 @@ public ImmutableList<String> aliases() {
      * How to report that an explicit binding in a subcomponent conflicts with an {@code @Inject}
      * constructor used in an ancestor component.
      */
-    EXPLICIT_BINDING_CONFLICTS_WITH_INJECT(WARNING, ERROR, NONE),
+    EXPLICIT_BINDING_CONFLICTS_WITH_INJECT(ERROR, WARNING, NONE),
     ;
 
     final ValidationType defaultType;
diff --git a/javatests/dagger/internal/codegen/DuplicateBindingsValidationTest.java b/javatests/dagger/internal/codegen/DuplicateBindingsValidationTest.java
index b45357cd6d6..c352a2810e0 100644
--- a/javatests/dagger/internal/codegen/DuplicateBindingsValidationTest.java
+++ b/javatests/dagger/internal/codegen/DuplicateBindingsValidationTest.java
@@ -1052,9 +1052,8 @@ public void childProvidesConflictsWithParentInjects() {
     CompilerTests.daggerCompiler(foo, injected1, injected2, provided1, provided2)
         .compile(
             subject -> {
-              subject.hasErrorCount(0);
-              subject.hasWarningCount(1);
-              subject.hasWarningContaining(
+              subject.hasErrorCount(1);
+              subject.hasErrorContaining(
                       message(
                           "Foo is bound multiple times:",
                           "    @Inject Foo(Set<String>) [Injected1]",