diff --git a/source/net/yacy/repository/Blacklist.java b/source/net/yacy/repository/Blacklist.java
index 7de638b2f..7c0945774 100644
--- a/source/net/yacy/repository/Blacklist.java
+++ b/source/net/yacy/repository/Blacklist.java
@@ -188,7 +188,7 @@ public class Blacklist {
         List<String> paths;
         List<String> loadedPaths;
 
-        final String[] fileNames = blFile.getFileNamesUnified();
+        final Set<String> fileNames = blFile.getFileNamesUnified();
         for (final String fileName : fileNames) {
             // make sure all requested blacklist files exist
             final File file = new File(this.blacklistRootPath, fileName);
@@ -262,7 +262,7 @@ public class Blacklist {
 
         final String p = (path.length() > 0 && path.charAt(0) == '/') ? path.substring(1) : path;
 
-        final Map<String, List<String>> blacklistMap = getBlacklistMap(blacklistType, (isMatchable(host)) ? true : false);
+        final Map<String, List<String>> blacklistMap = getBlacklistMap(blacklistType, isMatchable(host));
 
         // avoid PatternSyntaxException e
         final String h =
@@ -294,7 +294,7 @@ public class Blacklist {
 
         if (blacklistType != null && host != null && path != null) {
             final Map<String, List<String>> blacklistMap =
-                    getBlacklistMap(blacklistType, (isMatchable(host)) ? true : false);
+                    getBlacklistMap(blacklistType, isMatchable(host));
 
             // avoid PatternSyntaxException e
             final String h =
@@ -380,13 +380,13 @@ public class Blacklist {
             if ((app = blacklistMapMatched.get(hostlow.substring(0, index + 1) + "*")) != null) {
                 for (int i = app.size() - 1; !matched && i > -1; i--) {
                     pp = app.get(i);
-                    matched |= (("*".equals(pp)) || (path.matches(pp)));
+                    matched |= (("*".equals(pp)) || (p.matches(pp)));
                 }
             }
             if ((app = blacklistMapMatched.get(hostlow.substring(0, index))) != null) {
                 for (int i = app.size() - 1; !matched && i > -1; i--) {
                     pp = app.get(i);
-                    matched |= (("*".equals(pp)) || (path.matches(pp)));
+                    matched |= (("*".equals(pp)) || (p.matches(pp)));
                 }
             }
         }
@@ -395,13 +395,13 @@ public class Blacklist {
             if ((app = blacklistMapMatched.get("*" + hostlow.substring(index, hostlow.length()))) != null) {
                 for (int i = app.size() - 1; !matched && i > -1; i--) {
                     pp = app.get(i);
-                    matched |= (("*".equals(pp)) || (path.matches(pp)));
+                    matched |= (("*".equals(pp)) || (p.matches(pp)));
                 }
             }
             if ((app = blacklistMapMatched.get(hostlow.substring(index + 1, hostlow.length()))) != null) {
                 for (int i = app.size() - 1; !matched && i > -1; i--) {
                     pp = app.get(i);
-                    matched |= (("*".equals(pp)) || (path.matches(pp)));
+                    matched |= (("*".equals(pp)) || (p.matches(pp)));
                 }
             }
         }
@@ -417,7 +417,7 @@ public class Blacklist {
                     if (Pattern.matches(key, hostlow)) {
                         app = entry.getValue();
                         for (int i = 0; i < app.size(); i++) {
-                            if (Pattern.matches(app.get(i), path)) {
+                            if (Pattern.matches(app.get(i), p)) {
                                 return true;
                             }
                         }
@@ -432,14 +432,10 @@ public class Blacklist {
 
     public BlacklistError checkError(final String element, final Map<String, String> properties) {
 
-        boolean allowRegex = true;
+        final boolean allowRegex = (properties != null) && properties.get("allowRegex").equalsIgnoreCase("true");
         int slashPos;
         final String host, path;
 
-        if (properties != null) {
-            allowRegex = properties.get("allowRegex").equalsIgnoreCase("true") ? true : false;
-        }
-
         if ((slashPos = element.indexOf('/')) == -1) {
             host = element;
             path = ".*";
diff --git a/source/net/yacy/repository/BlacklistFile.java b/source/net/yacy/repository/BlacklistFile.java
index 147de41ed..9895cae6a 100644
--- a/source/net/yacy/repository/BlacklistFile.java
+++ b/source/net/yacy/repository/BlacklistFile.java
@@ -28,6 +28,7 @@ package net.yacy.repository;
 
 import java.util.Arrays;
 import java.util.HashSet;
+import java.util.Set;
 
 public class BlacklistFile {
     
@@ -48,10 +49,8 @@ public class BlacklistFile {
      * 
      * @return unified String array of file names
      */
-    public String[] getFileNamesUnified() {
-        final HashSet<String> hs = new HashSet<String>(Arrays.asList(this.filename.split(",")));
-        
-        return hs.toArray(new String[hs.size()]);
+    public Set<String> getFileNamesUnified() {
+        return new HashSet<String>(Arrays.asList(this.filename.split(",")));
     }
     
     public String getType() { return this.type; }
diff --git a/source/net/yacy/repository/FilterEngine.java b/source/net/yacy/repository/FilterEngine.java
index b1758f171..7cf63465d 100644
--- a/source/net/yacy/repository/FilterEngine.java
+++ b/source/net/yacy/repository/FilterEngine.java
@@ -217,14 +217,10 @@ public class FilterEngine {
 
     public int checkError(String element, Map<String, String> properties) {
 
-        boolean allowRegex = true;
+        final boolean allowRegex = (properties != null) && properties.get("allowRegex").equalsIgnoreCase("true");
         int slashPos;
         String host, path;
 
-        if (properties != null) {
-            allowRegex = properties.get("allowRegex").equalsIgnoreCase("true") ? true : false;
-        }
-
         if ((slashPos = element.indexOf('/')) == -1) {
             host = element;
             path = ".*";