diff --git a/karaf/gshell/gshell-config/src/main/java/org/apache/felix/karaf/gshell/config/completers/ConfigurationCompleter.java b/karaf/gshell/gshell-config/src/main/java/org/apache/felix/karaf/gshell/config/completers/ConfigurationCompleter.java
index 022596f..8ee9ca8 100644
--- a/karaf/gshell/gshell-config/src/main/java/org/apache/felix/karaf/gshell/config/completers/ConfigurationCompleter.java
+++ b/karaf/gshell/gshell-config/src/main/java/org/apache/felix/karaf/gshell/config/completers/ConfigurationCompleter.java
@@ -50,6 +50,9 @@
         Configuration[] configs;
         try {
             configs = admin.listConfigurations(null);
+            if (configs == null) {
+                return;
+            }
         } catch (Exception e) {
             return;
         }