diff --git a/app/config/config.cpp b/app/config/config.cpp
index 78fe1939b..b6e11d6ee 100644
--- a/app/config/config.cpp
+++ b/app/config/config.cpp
@@ -75,7 +75,7 @@ void Config::SetDefaults()
   config_map_["Autoscroll"] = AutoScroll::kPage;
 
   config_map_["DiskCachePath"] = QStandardPaths::writableLocation(QStandardPaths::AppLocalDataLocation);
-  config_map_["DiskCacheSize"] = 0.025;
+  config_map_["DiskCacheSize"] = 20.0;
   config_map_["DiskCacheBehind"] = QVariant::fromValue(rational(5));
   config_map_["DiskCacheAhead"] = QVariant::fromValue(rational(30));
   config_map_["ClearDiskCacheOnClose"] = false;