diff --git a/src/telemetry/flag-utils.ts b/src/telemetry/flag-utils.ts
index 2ff3f761a..525ac4817 100644
--- a/src/telemetry/flag-utils.ts
+++ b/src/telemetry/flag-utils.ts
@@ -52,7 +52,7 @@ export function computeFlagUsage(
       // For enums, log the value as uppercase
       // We're going to have an enum for such flags with choices represented
       // as an `enum` where the keys of the enum will map to the uppercase `choice`.
-      usage[snakeCaseName] = value.toUpperCase();
+      usage[snakeCaseName] = `${snakeCaseName}_${value}`.toUpperCase();
     }
   }
 
diff --git a/tests/telemetry/flag-utils.test.ts b/tests/telemetry/flag-utils.test.ts
index cf1cbfb4e..f7105ce14 100644
--- a/tests/telemetry/flag-utils.test.ts
+++ b/tests/telemetry/flag-utils.test.ts
@@ -44,10 +44,10 @@ describe('computeFlagUsage', () => {
     assert.equal(usage.bool_flag, false);
   });
 
-  it('logs enum flags as uppercase', () => {
+  it('logs enum flags as uppercase strings prefixed by snake case flag name', () => {
     const args = {enumFlag: 'a'};
     const usage = computeFlagUsage(args, mockOptions);
-    assert.equal(usage.enum_flag, 'A');
+    assert.equal(usage.enum_flag, 'ENUM_FLAG_A');
   });
 
   it('logs other flags as present with snake_case keys', () => {