X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FUserDefinedColours.java;h=79df106d8c7eb51c381b643641203fb6b29f8448;hb=a67402c4b5b2bc1c97d2624af72c941dec51ea40;hp=2182b2cb3f9d962bded79eb9d04b3b6f92ba4dac;hpb=3a32d58fe4dcca10fbc74e2c651d13a13c96331a;p=jalview.git

diff --git a/src/jalview/gui/UserDefinedColours.java b/src/jalview/gui/UserDefinedColours.java
index 2182b2c..79df106 100755
--- a/src/jalview/gui/UserDefinedColours.java
+++ b/src/jalview/gui/UserDefinedColours.java
@@ -551,7 +551,11 @@ public class UserDefinedColours extends GUserDefinedColours
       }
       if (!files.equals(coloursFound.toString()))
       {
-        jalview.bin.Cache.setProperty("USER_DEFINED_COLOURS", coloursFound.toString());
+        if (coloursFound.toString().length() > 1)
+          jalview.bin.Cache.setProperty("USER_DEFINED_COLOURS",
+                                        coloursFound.toString());
+        else
+          jalview.bin.Cache.applicationProperties.remove("USER_DEFINED_COLOURS");
       }
     }
 
@@ -587,7 +591,10 @@ public class UserDefinedColours extends GUserDefinedColours
         }
       }
 
-      jalview.bin.Cache.setProperty("USER_DEFINED_COLOURS", coloursFound.toString());
+      if (coloursFound.toString().length() > 1)
+        jalview.bin.Cache.setProperty("USER_DEFINED_COLOURS", coloursFound.toString());
+      else
+        jalview.bin.Cache.applicationProperties.remove("USER_DEFINED_COLOURS");
 
     }
 }