diff --git a/CHANGELOG.md b/CHANGELOG.md
index 05d14b75b9..769c9f14fd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ Note that the only difference between `v2` and `v3` of the CodeQL Action is the
 ## [UNRELEASED]
 
 - Update default CodeQL bundle version to 2.17.2. [#2270](https://github.com/github/codeql-action/pull/2270)
+- Avoid printing out a warning for a missing `on.push` trigger when the CodeQL Action is triggered via a `workflow_call` event. [#2274](https://github.com/github/codeql-action/pull/2274)
 
 ## 3.25.3 - 25 Apr 2024
 
@@ -30,7 +31,7 @@ No user facing changes.
 
   - The `setup-python-dependencies` input to the `init` Action
   - The `CODEQL_ACTION_DISABLE_PYTHON_DEPENDENCY_INSTALLATION` environment variable
-  
+
   We recommend removing any references to these from your workflows. For more information, see the release notes for CodeQL Action v3.23.0 and v2.23.0.
 - Automatically overwrite an existing database if found on the filesystem. [#2229](https://github.com/github/codeql-action/pull/2229)
 - Bump the minimum CodeQL bundle version to 2.12.6. [#2232](https://github.com/github/codeql-action/pull/2232)
diff --git a/lib/workflow.js b/lib/workflow.js
index 9292a4c37b..c1c072953e 100644
--- a/lib/workflow.js
+++ b/lib/workflow.js
@@ -31,6 +31,7 @@ const fs = __importStar(require("fs"));
 const path = __importStar(require("path"));
 const zlib_1 = __importDefault(require("zlib"));
 const core = __importStar(require("@actions/core"));
+const github = __importStar(require("@actions/github"));
 const yaml = __importStar(require("js-yaml"));
 const api = __importStar(require("./api-client"));
 const environment_1 = require("./environment");
@@ -167,7 +168,11 @@ async function getWorkflowErrors(doc, codeql) {
             missingPush = true;
         }
     }
-    if (missingPush) {
+    // Avoid warning when there this action was triggered via workflow_call since
+    // the user has a custom workflow that is calling this action and we assume
+    // they know what they are doing.
+    const isWorkflowCall = github.context.eventName === "workflow_call";
+    if (missingPush && !isWorkflowCall) {
         errors.push(exports.WorkflowErrors.MissingPushHook);
     }
     return errors;
diff --git a/lib/workflow.js.map b/lib/workflow.js.map
index fab919974c..fa2e8797a3 100644
--- a/lib/workflow.js.map
+++ b/lib/workflow.js.map
@@ -1 +1 @@
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\ No newline at end of file
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\ No newline at end of file
diff --git a/src/workflow.ts b/src/workflow.ts
index decd03f64a..e1e2906987 100644
--- a/src/workflow.ts
+++ b/src/workflow.ts
@@ -3,6 +3,7 @@ import * as path from "path";
 import zlib from "zlib";
 
 import * as core from "@actions/core";
+import * as github from "@actions/github";
 import * as yaml from "js-yaml";
 
 import * as api from "./api-client";
@@ -193,37 +194,35 @@ export async function getWorkflowErrors(
     }
   }
 
-  let missingPush = false;
+  // If there is no push trigger, we will not be able to analyze the default branch.
+  // So add a warning to the user to add a push trigger.
+  // If there is a workflow_call trigger, we don't need a push trigger since we assume
+  // that the workflow_call trigger is called from a workflow that has a push trigger.
+  const hasPushTrigger = hasWorkflowTrigger("push", doc);
+  const hasPullRequestTrigger = hasWorkflowTrigger("pull_request", doc);
+  const hasWorkflowCallTrigger = hasWorkflowTrigger("workflow_call", doc);
 
-  if (doc.on === undefined) {
-    // this is not a valid config
-  } else if (typeof doc.on === "string") {
-    if (doc.on === "pull_request") {
-      missingPush = true;
-    }
-  } else if (Array.isArray(doc.on)) {
-    const hasPush = doc.on.includes("push");
-    const hasPullRequest = doc.on.includes("pull_request");
-    if (hasPullRequest && !hasPush) {
-      missingPush = true;
-    }
-  } else if (isObject(doc.on)) {
-    const hasPush = Object.prototype.hasOwnProperty.call(doc.on, "push");
-    const hasPullRequest = Object.prototype.hasOwnProperty.call(
-      doc.on,
-      "pull_request",
-    );
+  if (hasPullRequestTrigger && !hasPushTrigger && !hasWorkflowCallTrigger) {
+    errors.push(WorkflowErrors.MissingPushHook);
+  }
 
-    if (!hasPush && hasPullRequest) {
-      missingPush = true;
-    }
+  return errors;
+}
+
+function hasWorkflowTrigger(triggerName: string, doc: Workflow): boolean {
+  if (!doc.on) {
+    return false;
   }
 
-  if (missingPush) {
-    errors.push(WorkflowErrors.MissingPushHook);
+  if (typeof doc.on === "string") {
+    return doc.on === triggerName;
   }
 
-  return errors;
+  if (Array.isArray(doc.on)) {
+    return doc.on.includes(triggerName);
+  }
+
+  return Object.prototype.hasOwnProperty.call(doc.on, triggerName);
 }
 
 export async function validateWorkflow(