diff --git a/main.cpp b/main.cpp
index c209c45..582fa67 100644
--- a/main.cpp
+++ b/main.cpp
@@ -315,11 +315,15 @@ void replace(position p, count_type length, string text) {
 
 int main(int argc, char* argv[]) {
 	// Check valid filename and load
-	if(argc <= 1)
+	if(argc <= 1) {
+		std::cerr << "No input filename\n";
 		return 1;
+	}
 	string filename = argv[1];
-	if(load(filename))
+	if(load(filename)) {
+		std::cerr << "Bad input filename\n";
 		return 1;
+	}
 
 	// Init
 	initscr();