diff --git a/interactions.c b/interactions.c
index f5087dc..6c6c4bd 100644
--- a/interactions.c
+++ b/interactions.c
@@ -53,7 +53,7 @@ void user_interactions() {
 
 
 	ch = getch();
-	if(ch != ERR) {
+	if(ch != (char)ERR) {
 		input[input_pass] = ch;
 		input_pass++;
 		if (ch == 27) { /* esc key */