diff --git a/lib/interceptors/grpc-to-http.interceptor.ts b/lib/interceptors/grpc-to-http.interceptor.ts
index 5d741a7..b3219d8 100644
--- a/lib/interceptors/grpc-to-http.interceptor.ts
+++ b/lib/interceptors/grpc-to-http.interceptor.ts
@@ -29,18 +29,34 @@ export class GrpcToHttpInterceptor implements NestInterceptor {
         )
           return throwError(() => err);
 
-        const exception = JSON.parse(err.details) as {
-          error: string | object;
-          type: string;
-          exceptionName: string;
-        };
+        const statusCode =
+          HTTP_CODE_FROM_GRPC[err.code] || HttpStatus.INTERNAL_SERVER_ERROR;
+
+        let exception: { exceptionName: any; error: any; type?: string };
+        try {
+          exception = JSON.parse(err.details) as {
+            error: string | object;
+            type: string;
+            exceptionName: string;
+          };
+        } catch (parseError) {
+          return throwError(
+            () =>
+              new HttpException(
+                {
+                  message: err.details,
+                  statusCode,
+                  error: HttpStatus[statusCode],
+                },
+                statusCode,
+                { cause: err },
+              ),
+          );
+        }
 
         if (exception.exceptionName !== RpcException.name)
           return throwError(() => err);
 
-        const statusCode =
-          HTTP_CODE_FROM_GRPC[err.code] || HttpStatus.INTERNAL_SERVER_ERROR;
-
         return throwError(
           () =>
             new HttpException(