diff --git a/cmd/shell.c b/cmd/shell.c
index 43c5675..a08cbfb 100644
--- a/cmd/shell.c
+++ b/cmd/shell.c
@@ -15,6 +15,11 @@ int main() {
 
 	do {
 		cmd = read_input();
+		// CTRL+D will set cmd to null
+		// Shell should exit if encountered
+		if (cmd == NULL) {
+			exit(EXIT_FAILURE);
+		}
 		args = split_cmd(cmd);
 		status_return = reverse_execute(args);