diff --git a/trunk/src/com/jpexs/browsers/cache/firefox/FirefoxCache.java b/trunk/src/com/jpexs/browsers/cache/firefox/FirefoxCache.java
index d832c5be0..e25835dba 100644
--- a/trunk/src/com/jpexs/browsers/cache/firefox/FirefoxCache.java
+++ b/trunk/src/com/jpexs/browsers/cache/firefox/FirefoxCache.java
@@ -108,6 +108,9 @@ public class FirefoxCache implements CacheImplementation {
         if (profileDir != null) {
             cacheDir = new File(profileDir, "Cache");
         }
+        if(cacheDir == null){
+            return null;
+        }
         if(!cacheDir.exists()){
             return null;
         }