diff --git a/slock.c b/slock.c
index 154a091..06bd4ad 100644
--- a/slock.c
+++ b/slock.c
@@ -52,7 +52,7 @@ getpw(void) { /* only run as root */
 
 	pw = getpwuid(getuid());
 	if(!pw)
-		die("slock: cannot retrieve password entry (make sure to suid or sgid slock)");
+		die("slock: cannot retrieve password entry (make sure to suid or sgid slock)\n");
 	endpwent();
 	rval =  pw->pw_passwd;
 
@@ -69,7 +69,7 @@ getpw(void) { /* only run as root */
 
 	/* drop privileges */
 	if(setgid(pw->pw_gid) < 0 || setuid(pw->pw_uid) < 0)
-		die("slock: cannot drop privileges");
+		die("slock: cannot drop privileges\n");
 	return rval;
 }
 #endif
@@ -114,9 +114,9 @@ readpw(Display *dpy, const char *pws)
 #ifdef HAVE_BSD_AUTH
 				running = !auth_userokay(getlogin(), NULL, "auth-xlock", passwd);
 #else
-				running = strcmp(crypt(passwd, pws), pws);
+				running = !!strcmp(crypt(passwd, pws), pws);
 #endif
-				if(running != False)
+				if(running)
 					XBell(dpy, 100);
 				len = 0;
 				break;
@@ -245,19 +245,19 @@ main(int argc, char **argv) {
 		usage();
 
 	if(!getpwuid(getuid()))
-		die("slock: no passwd entry for you");
+		die("slock: no passwd entry for you\n");
 
 #ifndef HAVE_BSD_AUTH
 	pws = getpw();
 #endif
 
 	if(!(dpy = XOpenDisplay(0)))
-		die("slock: cannot open display");
+		die("slock: cannot open display\n");
 	/* Get the number of screens in display "dpy" and blank them all. */
 	nscreens = ScreenCount(dpy);
 	locks = malloc(sizeof(Lock *) * nscreens);
 	if(locks == NULL)
-		die("slock: malloc: %s", strerror(errno));
+		die("slock: malloc: %s\n", strerror(errno));
 	int nlocks = 0;
 	for(screen = 0; screen < nscreens; screen++) {
 		if ( (locks[screen] = lockscreen(dpy, screen)) != NULL)