When using cd it will change directory to home if not specifying directory

shell.c

@@ -7,6 +7,7 @@
 #include <sys/wait.h>
 #include <readline/readline.h>
 #include <readline/history.h>
+#include <pwd.h>
 
 #define MAXCOM 1000 // max number of letters to be supported
 #define MAXLIST 100 // max number of commands to be supported
@@ -126,8 +127,14 @@ int ownCmdHandler(char** parsed)
 	case 1:
 		exit(0);
 	case 2:
+		if(parsed[1]){
 			chdir(parsed[1]);
 			return 1;
+		} else {
+			char *home = getenv("HOME");
+			chdir(home);
+			return 1;
+		}	
 	default:
 		break;
 	}