diff --git a/lib/gesture/swipe_gesture.cpp b/lib/gesture/swipe_gesture.cpp
index 137d02a..7dcea37 100644
--- a/lib/gesture/swipe_gesture.cpp
+++ b/lib/gesture/swipe_gesture.cpp
@@ -87,7 +87,8 @@ namespace comfortable_swipe::gesture
             ? 1.00f
             : 0.01f; // square root of 1/10
         static const float EPSILON = 1e-6f;
-        if (this->x * this->x + this->y * this->y > this->threshold_squared * scale - EPSILON)
+        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/gesture/xdo_gesture.cpp b/lib/gesture/xdo_gesture.cpp
index 4517ccc..3afda7d 100644
--- a/lib/gesture/xdo_gesture.cpp
+++ b/lib/gesture/xdo_gesture.cpp
@@ -24,6 +24,8 @@ extern "C"
     #include <xdo.h> // xdo, xdo_new
 }
 
+#include "xdo_gesture.h"
+
 namespace comfortable_swipe::gesture
 {
     /**