diff --git a/src/main/java/de/ids_mannheim/korap/KorapQuery.java b/src/main/java/de/ids_mannheim/korap/KorapQuery.java
index b8a3e52..e15eeef 100644
--- a/src/main/java/de/ids_mannheim/korap/KorapQuery.java
+++ b/src/main/java/de/ids_mannheim/korap/KorapQuery.java
@@ -382,9 +382,8 @@
 
 		SpanQueryWrapper sqw = this.fromJSON(operands.get(0));
 
-		if (sqw.maybeExtension()) {
+		if (sqw.maybeExtension())
 		    return sqw.setMin(min).setMax(max);
-		};
 
 		return new SpanRepetitionQueryWrapper(sqw, min, max);
 	    };
diff --git a/src/main/java/de/ids_mannheim/korap/query/wrap/SpanQueryWrapper.java b/src/main/java/de/ids_mannheim/korap/query/wrap/SpanQueryWrapper.java
index f9eb3ea..dd84549 100644
--- a/src/main/java/de/ids_mannheim/korap/query/wrap/SpanQueryWrapper.java
+++ b/src/main/java/de/ids_mannheim/korap/query/wrap/SpanQueryWrapper.java
@@ -18,11 +18,11 @@
     protected byte number = (byte) 0;
     protected boolean hasClass = false;
 
-    protected boolean isNull = true,
+    protected boolean isNull     = true,
 	              isOptional = false,
  	              isNegative = false,
- 	              isEmpty = false,
-	              isExtendedToTheRight;
+ 	              isEmpty    = false,
+	              isExtendedToTheRight = false;
 
     // Serialize query to Lucene SpanQuery
     public SpanQuery toQuery () throws QueryException {
diff --git a/src/main/java/de/ids_mannheim/korap/query/wrap/SpanRepetitionQueryWrapper.java b/src/main/java/de/ids_mannheim/korap/query/wrap/SpanRepetitionQueryWrapper.java
index a6c5640..3b9763d 100644
--- a/src/main/java/de/ids_mannheim/korap/query/wrap/SpanRepetitionQueryWrapper.java
+++ b/src/main/java/de/ids_mannheim/korap/query/wrap/SpanRepetitionQueryWrapper.java
@@ -63,7 +63,6 @@
 	    min = 1;
 	    if (max == 0)
 		this.isNull = true;
-	    System.err.println("++++++++++++++++++++++++++++++");
 	};
 
 	this.min = min;