diff --git a/main.c b/main.c
index b33f8c9..d304fc6 100644
--- a/main.c
+++ b/main.c
@@ -13,10 +13,27 @@ typedef const char *(*getmsg_t)(void);
 
 int main(void)
 {
-	void *mod = dlopen("libmod.so", RTLD_NOW);
-	const getmsg_t getmsg = (getmsg_t)dlsym(mod, "getmsg");
-	const struct timespec pause = { .tv_nsec = 16666667 };
+	const char *libfn = "libmod.so";
+	const char *symn = "getmsg";
+	void *mod = NULL;
+	getmsg_t getmsg = NULL;
+	const struct timespec pause = { .tv_nsec = 100000000 };
 	while (1) {
+		if (mod)
+			dlclose(mod);
+		mod = dlopen(libfn, RTLD_NOW);
+		if (!mod) {
+			fprintf(
+			    stderr, "Error: couldn't open %s: %s\n", libfn, dlerror());
+			return 1;
+		}
+		getmsg = (getmsg_t)dlsym(mod, symn);
+		if (!getmsg) {
+			fprintf(
+			    stderr, "Error: couldn't find symbol %s: %s\n", symn,
+			    dlerror());
+			return 1;
+		}
 		printf("\33[2K\r%s", getmsg());
 		fflush(stdout);
 		nanosleep(&pause, NULL);