1 files changed, 5 insertions, 3 deletions
diff --git a/main/src/cgeo/geocaching/connector/UnknownConnector.java b/main/src/cgeo/geocaching/connector/UnknownConnector.java
index fcf1152..cabf03e 100644
--- a/main/src/cgeo/geocaching/connector/UnknownConnector.java
+++ b/main/src/cgeo/geocaching/connector/UnknownConnector.java
@@ -4,6 +4,7 @@ import cgeo.geocaching.Geocache;
 
 import org.apache.commons.lang3.StringUtils;
 import org.eclipse.jdt.annotation.NonNull;
+import org.eclipse.jdt.annotation.Nullable;
 
 class UnknownConnector extends AbstractConnector {
 
@@ -14,9 +15,9 @@ class UnknownConnector extends AbstractConnector {
     }
 
     @Override
-    @NonNull
+    @Nullable
     public String getCacheUrl(@NonNull final Geocache cache) {
-        return StringUtils.EMPTY;
+        return null;
     }
 
     @Override
@@ -42,7 +43,8 @@ class UnknownConnector extends AbstractConnector {
     }
 
     @Override
-    public String getGeocodeFromUrl(final String url) {
+    @Nullable
+    public String getGeocodeFromUrl(@NonNull final String url) {
         return null;
     }