diff --git a/src/px4_connection/src/px4_controller.cpp b/src/px4_connection/src/px4_controller.cpp
index 8f7d011e..02272e3d 100644
--- a/src/px4_connection/src/px4_controller.cpp
+++ b/src/px4_connection/src/px4_controller.cpp
@@ -83,7 +83,7 @@ private:
     {
         if (armed)
         {
-            if (request->yaw == 0 && request->pitch = 0 && request->roll = 0 && request->thrust = 0)
+            if (request->yaw == 0 && request->pitch == 0 && request->roll == 0 && request->thrust == 0)
             {
                 last_setpoint[0] = degrees_to_radians(request->yaw);
                 last_setpoint[1] = degrees_to_radians(request->pitch);