diff --git a/lib/gesture/swipe_gesture.cpp b/lib/gesture/swipe_gesture.cpp
index 7dcea37..a8ba7c9 100644
--- a/lib/gesture/swipe_gesture.cpp
+++ b/lib/gesture/swipe_gesture.cpp
@@ -50,7 +50,8 @@ namespace comfortable_swipe::gesture
     ):
         comfortable_swipe::gesture::xdo_gesture(),
         threshold_squared(threshold*threshold),
-        commands(new const char*[8]{left3, left4, right3, right4, up3, up4, down3, down4})
+        commands(new const char*[8]{left3, left4, right3, right4, up3, up4, down3, down4}),
+        flag_swiping(false)
     {
         // improve responsiveness of first gesture by pre-empting xdotool runtime
         xdo_get_mouse_location(this->xdo, &this->ix, &this->iy, &this->screen_num);
diff --git a/lib/service/buffer.cpp b/lib/service/buffer.cpp
index 3c7064d..7edd7b6 100644
--- a/lib/service/buffer.cpp
+++ b/lib/service/buffer.cpp
@@ -20,6 +20,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include <cstdio> // fgets_unlocked, stdin
+#include <iostream> // std::ios, std::cout, std::cin
 #include "../index.hpp"
 
 /**
@@ -29,6 +30,11 @@ namespace comfortable_swipe::service
 {
     void buffer()
     {
+        std::ios::sync_with_stdio(false);
+        std::cin.tie(0);
+        std::cout.tie(0);
+        std::cout.flush();
+
         // read config file
         auto config = comfortable_swipe::util::read_config_file(comfortable_swipe::util::conf_filename());