diff --git a/packages/webdriver-utils/src/util/capabilityValidator.js b/packages/webdriver-utils/src/util/capabilityValidator.js
index 0c1514af0..89abc89e7 100644
--- a/packages/webdriver-utils/src/util/capabilityValidator.js
+++ b/packages/webdriver-utils/src/util/capabilityValidator.js
@@ -20,6 +20,13 @@ export default class CapabilitiesValidator {
 
     const { os, osVersion, browserName, browserVersion } = this.capabilities;
 
+    if (!os || !osVersion || !browserName || !browserVersion) {
+      colors.yellow(
+        console.warn(
+          `OS/Browser Combination ${os}: ${osVersion}: ${browserName} ${browserName}  is not supported in Percy`
+        )
+      );
+    }
     if (excludeBrowserData?.os[os]) {
       const osData = excludeBrowserData?.os[os];
       if (osData?.os_versions) {