diff --git a/src/ofxBaseJoint.cpp b/src/ofxBaseJoint.cpp
index 0360a72..75820f5 100644
--- a/src/ofxBaseJoint.cpp
+++ b/src/ofxBaseJoint.cpp
@@ -61,9 +61,9 @@ bool ofxBaseJoint::isDragged()
 
 void ofxBaseJoint::setDefaultColors()
 {
-    fillColor = ofColor(0, 255, 255);
+    fillColor = ofColor(0, 255, 255, 0);
     strokeColor = ofColor(255, 255, 255);
-    fillColorSelected = ofColor(255, 255, 0);
+    fillColorSelected = ofColor(255, 255, 0, 0);
     strokeColorSelected = ofColor(255, 0, 0);
 }