diff --git a/apps/cli/src/legacy/commands/db/reset/reset.errors.ts b/apps/cli/src/legacy/commands/db/reset/reset.errors.ts
index bfb4c3e539..80d2cba332 100644
--- a/apps/cli/src/legacy/commands/db/reset/reset.errors.ts
+++ b/apps/cli/src/legacy/commands/db/reset/reset.errors.ts
@@ -21,8 +21,10 @@ export class LegacyDbResetVersionFlagsError extends Data.TaggedError(
 }> {}
 
 /**
- * `--version` is not a valid integer. Byte-matches Go's
- * `failed to parse <v>: invalid version number` (`repair.go:24-29`).
+ * `--version` is not a valid integer. Byte-matches Go's bare
+ * `repair.ErrInvalidVersion` = `invalid version number`, returned unwrapped by
+ * `reset.Run` (`reset.go:35-36`) — the `failed to parse <v>:` wrapper is the
+ * `migration repair` path only (`repair.go:29`).
  */
 export class LegacyDbResetInvalidVersionError extends Data.TaggedError(
   "LegacyDbResetInvalidVersionError",
diff --git a/apps/cli/src/legacy/commands/db/reset/reset.handler.ts b/apps/cli/src/legacy/commands/db/reset/reset.handler.ts
index d20ee20bb4..7c9d10c01c 100644
--- a/apps/cli/src/legacy/commands/db/reset/reset.handler.ts
+++ b/apps/cli/src/legacy/commands/db/reset/reset.handler.ts
@@ -190,9 +190,11 @@ export const legacyDbReset = Effect.fn("legacy.db.reset")(function* (flags: Lega
     if (Option.isSome(flags.version)) {
       const v = flags.version.value;
       if (!INTEGER_PATTERN.test(v)) {
+        // Go's reset.Run returns the bare repair.ErrInvalidVersion (reset.go:35-36);
+        // the `failed to parse <v>:` wrapper belongs to `migration repair` only.
         return yield* Effect.fail(
           new LegacyDbResetInvalidVersionError({
-            message: `failed to parse ${v}: invalid version number`,
+            message: "invalid version number",
           }),
         );
       }
diff --git a/apps/cli/src/legacy/commands/db/reset/reset.integration.test.ts b/apps/cli/src/legacy/commands/db/reset/reset.integration.test.ts
index 48d25519c8..5c4a521ee0 100644
--- a/apps/cli/src/legacy/commands/db/reset/reset.integration.test.ts
+++ b/apps/cli/src/legacy/commands/db/reset/reset.integration.test.ts
@@ -702,8 +702,15 @@ describe("legacy db reset", () => {
         version: Option.some("not-a-number"),
       }).pipe(Effect.provide(layer), Effect.exit);
       expect(Exit.isFailure(exit)).toBe(true);
-      if (Exit.isFailure(exit))
-        expect(JSON.stringify(exit.cause)).toContain("invalid version number");
+      if (Exit.isFailure(exit)) {
+        const failure = Cause.findErrorOption(exit.cause);
+        expect(Option.isSome(failure) && failure.value._tag).toBe(
+          "LegacyDbResetInvalidVersionError",
+        );
+        // Go's reset.Run returns the bare repair.ErrInvalidVersion (reset.go:35-36) —
+        // no `failed to parse <v>:` wrapper (that belongs to `migration repair`).
+        expect(Option.isSome(failure) && failure.value.message).toBe("invalid version number");
+      }
     });
   });
 
diff --git a/apps/cli/src/legacy/commands/migration/repair/repair.integration.test.ts b/apps/cli/src/legacy/commands/migration/repair/repair.integration.test.ts
index a7d335cddd..d00cb96677 100644
--- a/apps/cli/src/legacy/commands/migration/repair/repair.integration.test.ts
+++ b/apps/cli/src/legacy/commands/migration/repair/repair.integration.test.ts
@@ -217,6 +217,11 @@ describe("legacy migration repair", () => {
         expect(Option.isSome(failure) && failure.value._tag).toBe(
           "LegacyMigrationInvalidVersionError",
         );
+        // Guard: unlike `db reset` (bare `invalid version number`, reset.go:35-36),
+        // `migration repair` keeps Go's `failed to parse <v>:` wrapper (repair.go:29).
+        expect(Option.isSome(failure) && failure.value.message).toBe(
+          "failed to parse not-a-number: invalid version number",
+        );
       }
     }).pipe(Effect.provide(layer));
   });