diff --git a/src/mbgl/storage/default_file_source.cpp b/src/mbgl/storage/default_file_source.cpp
index 64c802d77..bfab5bfca 100644
--- a/src/mbgl/storage/default_file_source.cpp
+++ b/src/mbgl/storage/default_file_source.cpp
@@ -325,12 +325,12 @@ int64_t DefaultFileRequest::getRetryTimeout() const {
             if (failedRequests <= graceRetries) {
                 timeout = 1;
             } else {
-                timeout = 1 << std::min(failedRequests - graceRetries, 32);
+                timeout = 1 << std::min(failedRequests - graceRetries, 31);
             }
         } break;
         case Response::Error::Reason::Connection: {
             // Exponential backoff
-            timeout = 1 << std::min(failedRequests - 1, 32);
+            timeout = 1 << std::min(failedRequests - 1, 31);
         } break;
         default:
             // Do not retry due to error.