diff --git a/lib/gesture/swipe_gesture.cpp b/lib/gesture/swipe_gesture.cpp
index dc30766..16d5580 100644
--- a/lib/gesture/swipe_gesture.cpp
+++ b/lib/gesture/swipe_gesture.cpp
@@ -86,7 +86,8 @@ namespace comfortable_swipe::gesture
         float scale = this->previous_gesture == swipe_gesture::FRESH
             ? 1.00f
             : 0.01f; // square root of 1/10
-        if (this->x * this->x + this->y * this->y > this->threshold_squared * scale)
+        static const float EPSILON = 1e-6f;
+        if (this->x * this->x + this->y * this->y > this->threshold_squared * scale - EPSILON)
         {
             int mask = 0;
             if (this->fingers == 3) mask |= swipe_gesture::MSK_THREE_FINGERS;
diff --git a/lib/service/debug.cpp b/lib/service/debug.cpp
index cb95936..2efa702 100644
--- a/lib/service/debug.cpp
+++ b/lib/service/debug.cpp
@@ -28,7 +28,7 @@ namespace comfortable_swipe::service
      */
     void debug()
     {
-        (void) std::system("stdbuf -oL -e0 libinput debug-events");
+        (void) std::system("bash -c \"stdbuf -oL -e0 libinput debug-events 2> >(grep -v 'double tracking')\"");
     }
 }
 
diff --git a/lib/service/start.cpp b/lib/service/start.cpp
index 011dee0..9ab566e 100644
--- a/lib/service/start.cpp
+++ b/lib/service/start.cpp
@@ -31,9 +31,7 @@ namespace comfortable_swipe::service
      */
     void start()
     {
-        (void) std::system("stdbuf -oL -e0 libinput debug-events | " __COMFORTABLE_SWIPE__PROGRAM__ " buffer "
-            // dont show double tracking bugs from libinput
-            "2> >(grep -v \"double tracking\")");
+        (void) std::system(__COMFORTABLE_SWIPE__PROGRAM__ " debug | " __COMFORTABLE_SWIPE__PROGRAM__ " buffer");
     }
 }