diff --git a/zed_nodelets/src/zed_nodelet/src/zed_wrapper_nodelet.cpp b/zed_nodelets/src/zed_nodelet/src/zed_wrapper_nodelet.cpp
index 30b0752b..44da2b62 100644
--- a/zed_nodelets/src/zed_nodelet/src/zed_wrapper_nodelet.cpp
+++ b/zed_nodelets/src/zed_nodelet/src/zed_wrapper_nodelet.cpp
@@ -5266,7 +5266,7 @@ void ZEDWrapperNodelet::clickedPtCallback(geometry_msgs::PointStampedConstPtr ms
   float c_x = zedParam.left_cam.cx;
   float c_y = zedParam.left_cam.cy;
 
-  float out_scale_factor = mMatResol.width / mCamWidth;
+  float out_scale_factor = static_cast<float>(mMatResol.width) / mCamWidth;
 
   float u = ((camX / camZ) * f_x + c_x) / out_scale_factor;
   float v = ((camY / camZ) * f_y + c_y) / out_scale_factor;