diff --git a/packages/util-waiter/src/utils/validate.spec.ts b/packages/util-waiter/src/utils/validate.spec.ts
index e8bd7e335447f..bff31c85656b8 100644
--- a/packages/util-waiter/src/utils/validate.spec.ts
+++ b/packages/util-waiter/src/utils/validate.spec.ts
@@ -34,8 +34,8 @@ describe(validateWaiterOptions.name, () => {
       validateWaiterOptions(waiterOptions);
       expect(1).toBe("SHOULD NOT GET HERE");
     } catch (e) {
-      expect(e).toBe(
-        "WaiterConfiguration.maxDelay [120] must be greater than WaiterConfiguration.minDelay [200] for this waiter"
+      expect(e.toString()).toBe(
+        "Error: WaiterConfiguration.maxDelay [120] must be greater than WaiterConfiguration.minDelay [200] for this waiter"
       );
       done();
     }
@@ -59,7 +59,7 @@ describe(validateWaiterOptions.name, () => {
     try {
       validateWaiterOptions(waiterOptions);
     } catch (e) {
-      expect(e).toBe("WaiterConfiguration.maxWaitTime must be greater than 0");
+      expect(e.toString()).toBe("Error: WaiterConfiguration.maxWaitTime must be greater than 0");
       done();
     }
   });
@@ -70,8 +70,8 @@ describe(validateWaiterOptions.name, () => {
     try {
       validateWaiterOptions(waiterOptions);
     } catch (e) {
-      expect(e).toBe(
-        "WaiterConfiguration.maxWaitTime [150] must be greater than WaiterConfiguration.minDelay [200] for this waiter"
+      expect(e.toString()).toBe(
+        "Error: WaiterConfiguration.maxWaitTime [150] must be greater than WaiterConfiguration.minDelay [200] for this waiter"
       );
       done();
     }
@@ -83,8 +83,8 @@ describe(validateWaiterOptions.name, () => {
     try {
       validateWaiterOptions(waiterOptions);
     } catch (e) {
-      expect(e).toBe(
-        "WaiterConfiguration.maxWaitTime [200] must be greater than WaiterConfiguration.minDelay [200] for this waiter"
+      expect(e.toString()).toBe(
+        "Error: WaiterConfiguration.maxWaitTime [200] must be greater than WaiterConfiguration.minDelay [200] for this waiter"
       );
     }
   });
diff --git a/packages/util-waiter/src/utils/validate.ts b/packages/util-waiter/src/utils/validate.ts
index 49644886e3dd4..c186d67fe38c9 100644
--- a/packages/util-waiter/src/utils/validate.ts
+++ b/packages/util-waiter/src/utils/validate.ts
@@ -6,14 +6,18 @@ import { WaiterOptions } from "../waiter";
  */
 export const validateWaiterOptions = <Client>(options: WaiterOptions<Client>): void => {
   if (options.maxWaitTime < 1) {
-    throw `WaiterConfiguration.maxWaitTime must be greater than 0`;
+    throw new Error(`WaiterConfiguration.maxWaitTime must be greater than 0`);
   } else if (options.minDelay < 1) {
-    throw `WaiterConfiguration.minDelay must be greater than 0`;
+    throw new Error(`WaiterConfiguration.minDelay must be greater than 0`);
   } else if (options.maxDelay < 1) {
-    throw `WaiterConfiguration.maxDelay must be greater than 0`;
+    throw new Error(`WaiterConfiguration.maxDelay must be greater than 0`);
   } else if (options.maxWaitTime <= options.minDelay) {
-    throw `WaiterConfiguration.maxWaitTime [${options.maxWaitTime}] must be greater than WaiterConfiguration.minDelay [${options.minDelay}] for this waiter`;
+    throw new Error(
+      `WaiterConfiguration.maxWaitTime [${options.maxWaitTime}] must be greater than WaiterConfiguration.minDelay [${options.minDelay}] for this waiter`
+    );
   } else if (options.maxDelay < options.minDelay) {
-    throw `WaiterConfiguration.maxDelay [${options.maxDelay}] must be greater than WaiterConfiguration.minDelay [${options.minDelay}] for this waiter`;
+    throw new Error(
+      `WaiterConfiguration.maxDelay [${options.maxDelay}] must be greater than WaiterConfiguration.minDelay [${options.minDelay}] for this waiter`
+    );
   }
 };