diff --git a/core/src/tangram.cpp b/core/src/tangram.cpp
index 4d3cac744a..62ebce7d15 100644
--- a/core/src/tangram.cpp
+++ b/core/src/tangram.cpp
@@ -534,7 +534,7 @@ bool lngLatToScreenPosition(double _lng, double _lat, double* _x, double* _y) {
 
     bool withinViewport = *_x >= 0. && *_x <= m_view->getWidth() && *_y >= 0. && *_y <= m_view->getHeight();
 
-    return clipped || !withinViewport;
+    return !clipped && withinViewport;
 }
 
 void setPixelScale(float _pixelsPerPoint) {
diff --git a/core/src/tangram.h b/core/src/tangram.h
index fdc9968a5f..3955a892ca 100644
--- a/core/src/tangram.h
+++ b/core/src/tangram.h
@@ -91,7 +91,7 @@ float getTilt();
 void screenPositionToLngLat(double _x, double _y, double* _lng, double* _lat);
 
 // Transform longitude and latitude coordinates into their position in screen space
-// (x right, y down); returns true if the (lat,lon) is not visible on the screen
+// (x right, y down); returns true if the (lat,lon) is visible on the screen
 bool lngLatToScreenPosition(double _lng, double _lat, double* _x, double* y);
 
 // Set the ratio of hardware pixels to logical pixels (defaults to 1.0)