diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 67e09f6..b4891db 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -1118,11 +1118,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }

diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index 67e09f6..b4891db 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -1118,11 +1118,11 @@
             {
                 if (isRightButton)
                 {
-                    trackingData.rightDown = hit;
+                    trackingData.rightDown = false;
                 }
                 else
                 {
-                    trackingData.leftDown = hit;
+                    trackingData.leftDown = false;
                 }
             }
         }
diff --git a/test/interaction/InteractionManager.js b/test/interaction/InteractionManager.js
index dc70ab5..2a04bc5 100644
--- a/test/interaction/InteractionManager.js
+++ b/test/interaction/InteractionManager.js
@@ -342,7 +342,12 @@
 
             pointer.mouseup(10, 10);
 
-            expect(clickSpy).to.not.have.been.called;
+            expect(clickSpy, 'click should not happen on first mouseup').to.not.have.been.called;
+
+            // test again, just because it was a bug that was reported
+            pointer.mouseup(20, 20);
+
+            expect(clickSpy, 'click should not happen on second mouseup').to.not.have.been.called;
         });
     });