diff --git a/src/evdev.c b/src/evdev.c
index cd0fb6c..ca9dc6f 100644
--- a/src/evdev.c
+++ b/src/evdev.c
@@ -386,7 +386,7 @@ EvdevProcessValuators(InputInfoPtr pInfo, int v[MAX_VALUATORS], int *num_v,
         for (i = 0; i < REL_CNT; i++)
         {
             int map = pEvdev->axis_map[i];
-            if (map != -1)
+            if (pEvdev->delta[i] && map != -1)
             {
                 v[map] = pEvdev->delta[i];
                 if (map < first)
@@ -500,7 +500,10 @@ EvdevProcessRelativeMotionEvent(InputInfoPtr pInfo, struct input_event *ev)
                 EvdevQueueButtonClicks(pInfo, wheel_left_button, -value);
             break;
 
-        /* We don't post wheel events as axis motion. */
+        case REL_MISC:
+            break;
+
+        /* We don't post wheel/misc events as axis motion. */
         default:
             /* Ignore EV_REL events if we never set up for them. */
             if (!(pEvdev->flags & EVDEV_RELATIVE_EVENTS))
@@ -662,7 +665,7 @@ static void
 EvdevProcessSyncEvent(InputInfoPtr pInfo, struct input_event *ev)
 {
     int num_v = 0, first_v = 0;
-    int v[MAX_VALUATORS];
+    int v[MAX_VALUATORS] = {};
     EvdevPtr pEvdev = pInfo->private;
 
     EvdevProcessValuators(pInfo, v, &num_v, &first_v);