diff --git a/gazebo/Preferences.h b/gazebo/Preferences.h
index 73bf589..de7199f 100644
--- a/gazebo/Preferences.h
+++ b/gazebo/Preferences.h
@@ -14,10 +14,9 @@ private:
 
 	void readFromFile() {
 		std::ifstream file(storagePath);
-		std::string key;
-		float value;
+		std::string key, value;
 		while (file >> key >> value) {
-			storage[key] = value;
+			storage[key] = std::stof(value); // using stof to support NaN and Infinity
 		}
 	}