diff --git a/NEWS b/NEWS
index a97dcaa..355e10b 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,7 @@
+= Next Release: 4.7
+
+ - Use system file descriptor limits when max_user_watches is not accessible
+
 = Release History
 
 == 4.6: July 1, 2020
diff --git a/entr.c b/entr.c
index 3316f47..ec3d569 100644
--- a/entr.c
+++ b/entr.c
@@ -105,6 +105,7 @@ static void watch_loop(int, char *[]);
 int
 main(int argc, char *argv[]) {
 	struct rlimit rl;
+	rlim_t max_watches;
 	int kq;
 	struct sigaction act;
 	int ttyfd;
@@ -155,14 +156,20 @@ main(int argc, char *argv[]) {
 		err(1, "Failed to set SIGCHLD handler");
 
 	getrlimit(RLIMIT_NOFILE, &rl);
+
 #if defined(_LINUX_PORT)
-	rl.rlim_cur = (rlim_t)fs_sysctl(INOTIFY_MAX_USER_WATCHES);
-#else
+	max_watches = (rlim_t)fs_sysctl(INOTIFY_MAX_USER_WATCHES);
+	if(max_watches > 0) {
+		rl.rlim_cur = max_watches;
+		goto rlim_set;
+	}
+#endif
 	/* raise soft limit */
 	rl.rlim_cur = min((rlim_t)sysconf(_SC_OPEN_MAX), rl.rlim_max);
 	if (setrlimit(RLIMIT_NOFILE, &rl) != 0)
 		err(1, "setrlimit cannot set rlim_cur to %d", (int)rl.rlim_cur);
-#endif
+
+rlim_set:
 
 	/* prevent interactive utilities from paging output */
 	setenv("PAGER", "/bin/cat", 0);
diff --git a/missing/kqueue_inotify.c b/missing/kqueue_inotify.c
index 3ddd064..9465d94 100644
--- a/missing/kqueue_inotify.c
+++ b/missing/kqueue_inotify.c
@@ -57,16 +57,21 @@ int
 fs_sysctl(const int name) {
 	FILE *file;
 	char line[8];
-	int value = 0;
+	int value;
 
 	switch(name) {
 	case INOTIFY_MAX_USER_WATCHES:
 		file = fopen("/proc/sys/fs/inotify/max_user_watches", "r");
 
-		if (file == NULL || fgets(line, sizeof(line), file) == NULL)
-		    err(1, "max_user_watches");
-		value = atoi(line);
-		fclose(file);
+		if (file == NULL || fgets(line, sizeof(line), file) == NULL) {
+			/* failed to read max_user_watches; sometimes inaccessible on Android */
+			value = 0;
+		}
+		else
+			value = atoi(line);
+
+		if (file)
+			fclose(file);
 		break;
 	}
 	return value;