diff --git a/src/config.cpp b/src/config.cpp
index 53866dc6..e5ca11b6 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -64,9 +64,9 @@ void Config::read(int argc, char *argv[]) {
         {"defScreenW", 0},
         {"defScreenH", 0},
         {"windowTitle", ""},
-        {"fixedFramerate", false},
+        {"fixedFramerate", 0},
         {"frameSkip", false},
-        {"syncToRefreshRate", false},
+        {"syncToRefreshrate", false},
         {"solidFonts", false},
         {"subImageFix", false},
         {"enableBlitting", true},