diff --git a/input_dev.c b/input_dev.c
index a78ccd1..8a36718 100644
--- a/input_dev.c
+++ b/input_dev.c
@@ -24,6 +24,7 @@ static struct libevdev* ev_matches(const char* sysfs_entry, const uinput_filters
 
     if (libevdev_new_from_fd(fd, &dev) != 0) {
         fprintf(stderr, "Cannot initialize libevdev from this device (%s): skipping.\n", sysfs_entry);
+        close(fd);
         return NULL;
     }
 
@@ -31,25 +32,36 @@ static struct libevdev* ev_matches(const char* sysfs_entry, const uinput_filters
     if (strcmp(name, filters->name) != 0) {
         fprintf(stderr, "The device name (%s) for device %s does not matches the expected one %s.\n", name, sysfs_entry, filters->name);
         libevdev_free(dev);
+        close(fd);
         return NULL;
     }
 
     const int grab_res = libevdev_grab(dev, LIBEVDEV_GRAB);
     if (grab_res != 0) {
         fprintf(stderr, "Unable to grab the device (%s): %d.\n", sysfs_entry, grab_res);
-        libevdev_free(dev);
-        return NULL;
+        //libevdev_free(dev);
+        //close(fd);
+        return dev;
     }
 
-    return 0;
+    return dev;
 }
 
 static pthread_mutex_t input_acquire_mutex = PTHREAD_MUTEX_INITIALIZER;
 
+static char* open_sysfs[] = {
+    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 
+    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 
+    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 
+    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 
+    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 
+};
+
 void *input_dev_thread_func(void *ptr) {
     input_dev_t *in_dev = (input_dev_t*)ptr;
 
     struct libevdev* dev = NULL;
+    int open_sysfs_idx = -1;
 
     for (;;) {
         const uint32_t flags = in_dev->crtl_flags;
@@ -71,6 +83,12 @@ void *input_dev_thread_func(void *ptr) {
             continue;
         }
 
+        // clean up leftover from previous opening
+        if (open_sysfs_idx >= 0) {
+            free(open_sysfs[open_sysfs_idx]);
+            open_sysfs[open_sysfs_idx] = NULL;
+        }
+
         char path[512] = "\0";
         
         DIR *d;
@@ -88,7 +106,30 @@ void *input_dev_thread_func(void *ptr) {
 
                 sprintf(path, "%s%s", input_path, dir->d_name);
 
-                if (ev_matches(path, in_dev->ev_filters) != NULL) {
+                // check if that has been already opened
+                // open_sysfs
+                int skip = 0;
+                for (int o = 0; o < (sizeof(open_sysfs) / sizeof(const char*)); ++o) {
+                    if (strcmp(open_sysfs[o], path) == 0) {
+                        skip = 1;
+                        break;
+                    }
+                }
+
+                if (skip) {
+                    continue;
+                }
+
+                // try to open the device
+                dev = ev_matches(path, in_dev->ev_filters);
+                if (dev != NULL) {
+                    open_sysfs_idx = 0;
+                    while (open_sysfs[open_sysfs_idx] != NULL) {
+                        open_sysfs[open_sysfs_idx] = malloc(sizeof(path));
+                        memcpy(open_sysfs[open_sysfs_idx], path, 512);
+                        ++open_sysfs_idx;
+                    }
+
                     printf("Opened device %s\n    name: %s", path, libevdev_get_name(dev));
                     break;
                 }