diff --git a/impl/core/src/main/java/io/serverlessworkflow/impl/auth/AuthProviderFactory.java b/impl/core/src/main/java/io/serverlessworkflow/impl/auth/AuthProviderFactory.java
index 9a0c20b5e..6accc3360 100644
--- a/impl/core/src/main/java/io/serverlessworkflow/impl/auth/AuthProviderFactory.java
+++ b/impl/core/src/main/java/io/serverlessworkflow/impl/auth/AuthProviderFactory.java
@@ -18,6 +18,8 @@
 import io.serverlessworkflow.api.types.AuthenticationPolicyUnion;
 import io.serverlessworkflow.api.types.EndpointConfiguration;
 import io.serverlessworkflow.api.types.ReferenceableAuthenticationPolicy;
+import io.serverlessworkflow.api.types.Use;
+import io.serverlessworkflow.api.types.UseAuthentications;
 import io.serverlessworkflow.api.types.Workflow;
 import io.serverlessworkflow.impl.WorkflowApplication;
 import io.serverlessworkflow.impl.WorkflowDefinition;
@@ -54,10 +56,17 @@ public static Optional<AuthProvider> getAuth(
 
   private static Optional<AuthProvider> buildFromReference(
       WorkflowApplication app, Workflow workflow, String use, String method) {
-    return workflow.getUse().getAuthentications().getAdditionalProperties().entrySet().stream()
-        .filter(s -> s.getKey().equals(use))
-        .findAny()
-        .flatMap(e -> buildFromPolicy(app, workflow, e.getValue(), method));
+    Use useInfo = workflow.getUse();
+    if (useInfo == null) {
+      return Optional.empty();
+    }
+    UseAuthentications authInfo = useInfo.getAuthentications();
+    return authInfo == null
+        ? Optional.empty()
+        : authInfo.getAdditionalProperties().entrySet().stream()
+            .filter(s -> s.getKey().equals(use))
+            .findAny()
+            .flatMap(e -> buildFromPolicy(app, workflow, e.getValue(), method));
   }
 
   private static Optional<AuthProvider> buildFromPolicy(