diff --git a/diylc/diylc-library/src/main/java/org/diylc/components/connectivity/CopperTrace.java b/diylc/diylc-library/src/main/java/org/diylc/components/connectivity/CopperTrace.java
index a012649fe..b65b1e418 100644
--- a/diylc/diylc-library/src/main/java/org/diylc/components/connectivity/CopperTrace.java
+++ b/diylc/diylc-library/src/main/java/org/diylc/components/connectivity/CopperTrace.java
@@ -207,6 +207,9 @@ public class CopperTrace extends AbstractLeadedComponent<Void> implements ILayer
   @EditableProperty(name = "Ending Style")
   @Override
   public LineEndingStyle getEndingStyle() {
+    if (endingStyle == null) {
+      endingStyle = LineEndingStyle.Round;
+    }
     return endingStyle;
   }
 
diff --git a/diylc/diylc-library/src/main/java/org/diylc/components/connectivity/CurvedTrace.java b/diylc/diylc-library/src/main/java/org/diylc/components/connectivity/CurvedTrace.java
index 94221597f..59471bd47 100644
--- a/diylc/diylc-library/src/main/java/org/diylc/components/connectivity/CurvedTrace.java
+++ b/diylc/diylc-library/src/main/java/org/diylc/components/connectivity/CurvedTrace.java
@@ -102,6 +102,9 @@ public class CurvedTrace extends AbstractCurvedComponent<Void> implements ILayer
 
   @EditableProperty(name = "Ending Style")
   public LineEndingStyle getEndingStyle() {
+    if (endingStyle == null) {
+      endingStyle = LineEndingStyle.Round;
+    }
     return endingStyle;
   }