diff --git a/src/main.cpp b/src/main.cpp
index cdf40d3..8610d83 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -47,6 +47,8 @@ int toInt(const std::string &str) {
 
 void readConfig() {
     std::ifstream file("config.txt");
+    if(!file)
+        return;
 
     std::string line;
     while(std::getline(file, line)) {
@@ -72,6 +74,8 @@ void readConfig() {
 
 void writeConfig() {
     std::ofstream file("config.txt");
+    if(!file)
+        return;
 
     int x, y;
     SDL_GetWindowPosition(window, &x, &y);