diff --git a/com.google.eclipse.elt.emulator/src/com/google/eclipse/elt/emulator/model/Style.java b/com.google.eclipse.elt.emulator/src/com/google/eclipse/elt/emulator/model/Style.java
index 760f95b..9babd71 100644
--- a/com.google.eclipse.elt.emulator/src/com/google/eclipse/elt/emulator/model/Style.java
+++ b/com.google.eclipse.elt.emulator/src/com/google/eclipse/elt/emulator/model/Style.java
@@ -21,8 +21,8 @@
   private static final Map<Style, Style> STYLES = new HashMap<Style, Style>();
 
   public static Style getDefaultStyle() {
-    String foreground = null;
-    String background = null;
+    String foreground = "default";
+    String background = "default";
     return getStyle(foreground, background);
   }