1 files changed, 3 insertions, 1 deletions
diff --git a/main/src/cgeo/geocaching/apps/AbstractApp.java b/main/src/cgeo/geocaching/apps/AbstractApp.java
index ef56f87..f3715f3 100644
--- a/main/src/cgeo/geocaching/apps/AbstractApp.java
+++ b/main/src/cgeo/geocaching/apps/AbstractApp.java
@@ -5,6 +5,8 @@ import cgeo.geocaching.MainActivity;
 import cgeo.geocaching.cgeoapplication;
 import cgeo.geocaching.utils.ProcessUtils;
 
+import org.apache.commons.lang3.StringUtils;
+
 import android.content.Intent;
 
 public abstract class AbstractApp implements App {
@@ -26,7 +28,7 @@ public abstract class AbstractApp implements App {
 
     @Override
     public boolean isInstalled() {
-        if (ProcessUtils.isInstalled(packageName)) {
+        if (StringUtils.isNotEmpty(packageName) && ProcessUtils.isInstalled(packageName)) {
             return true;
         }
         return MainActivity.isIntentAvailable(intent);