diff --git a/main.c b/main.c
index d304fc6..19f8797 100644
--- a/main.c
+++ b/main.c
@@ -6,37 +6,87 @@
 #define _POSIX_C_SOURCE 199309L
 
 #include <dlfcn.h>
+#include <errno.h>
+#include <poll.h>
+#include <stdbool.h>
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/inotify.h>
 #include <time.h>
+#include <unistd.h>
+
+#define LIBFN "libmod.so"
 
 typedef const char *(*getmsg_t)(void);
 
+static void *mod = NULL;
+static getmsg_t getmsg = NULL;
+
+static void loadmod(void)
+{
+	if (mod)
+		dlclose(mod);
+	mod = dlopen(LIBFN, RTLD_NOW);
+	if (!mod) {
+		fprintf(stderr, "ERROR(%s:%d) %s\n", __FILE__, __LINE__, dlerror());
+		exit(1);
+	}
+	getmsg = (getmsg_t)dlsym(mod, "getmsg");
+	if (!getmsg) {
+		fprintf(stderr, "ERROR(%s:%d) %s\n", __FILE__, __LINE__, dlerror());
+		exit(1);
+	}
+}
+
 int main(void)
 {
-	const char *libfn = "libmod.so";
-	const char *symn = "getmsg";
-	void *mod = NULL;
-	getmsg_t getmsg = NULL;
+	loadmod();
+
+	int fd = inotify_init();
+	if (fd < 0) {
+		fprintf(
+		    stderr, "ERROR(%s:%d) %s\n", __FILE__, __LINE__,
+		    strerror(errno));
+		exit(1);
+	}
+	int wd = inotify_add_watch(fd, "build", IN_MODIFY);
+	if (wd < 0) {
+		fprintf(
+		    stderr, "ERROR(%s:%d) %s\n", __FILE__, __LINE__,
+		    strerror(errno));
+		exit(1);
+	}
+	struct pollfd pfd = { .fd = fd, .events = POLLIN };
+
 	const struct timespec pause = { .tv_nsec = 100000000 };
 	while (1) {
-		if (mod)
-			dlclose(mod);
-		mod = dlopen(libfn, RTLD_NOW);
-		if (!mod) {
+		int polln = poll(&pfd, 1, 10);
+		if (-1 == polln) {
 			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;
+			    stderr, "ERROR(%s:%d) %s\n", __FILE__, __LINE__,
+			    strerror(errno));
+			exit(1);
+		} else if (polln > 0 && pfd.revents & POLLIN) {
+			static char buf[4096]
+			    __attribute__((aligned(__alignof__(struct inotify_event))));
+			const struct inotify_event *evt;
+			ssize_t i = 0, len = read(fd, buf, sizeof(buf));
+			bool reload = false;
+			while (i < len) {
+				evt = (struct inotify_event *)&buf[i];
+				if (strcmp(LIBFN, evt->name) == 0)
+					reload = true;
+				i += sizeof(struct inotify_event) + evt->len;
+			}
+			if (reload)
+				loadmod();
 		}
+
 		printf("\33[2K\r%s", getmsg());
 		fflush(stdout);
 		nanosleep(&pause, NULL);
 	}
+
 	return 0;
 }