diff --git a/libcurl_http_fetcher.h b/libcurl_http_fetcher.h
index a7799cb..b0cac28 100644
--- a/libcurl_http_fetcher.h
+++ b/libcurl_http_fetcher.h
@@ -85,7 +85,7 @@
   // loop with sources for future work that libcurl will do.
   // This method will not block.
   // Returns true if we should resume immediately after this call.
-  bool CurlPerformOnce();
+  void CurlPerformOnce();
 
   // Sets up glib main loop sources as needed by libcurl. This is generally
   // the file descriptor of the socket and a timer in case nothing happens