diff --git a/js/cesareBrowse.js b/js/cesareBrowse.js
index c1c5a68..cbf0345 100644
--- a/js/cesareBrowse.js
+++ b/js/cesareBrowse.js
@@ -168,7 +168,10 @@ $(document).ready(function() {
 		esprlogica = []
 		jsonQuery=getJsonQuery()
 		console.log("got json query")
-		
+		if(jsonQuery['QueryAvanzata']==0 && jsonQuery['Clausola0']['queryText']==''){
+			alert('Digitare una stringa da cercare')
+			return
+		}
 		jsonQuery = buildSQ(jsonQuery)
 		
 		myquery = new sparqlGenerator().stringify(jsonQuery)
diff --git a/js/utils.js b/js/utils.js
index b50742c..085e8ef 100644
--- a/js/utils.js
+++ b/js/utils.js
@@ -323,7 +323,7 @@ function buildSQ(stquery) {
 	if (stquery['EsprLogica'] != null && stquery['EsprLogica'] != '' && stquery['EsprLogica'].length == 1) {
 		clause = stquery['EsprLogica']
 
-		myquery = buildClause(stquery[clause], parsedquery, 0)
+		myquery = buildClause(stquery[clause], parsedquery, 2)
 		return (myquery)
 	}
 	
@@ -349,6 +349,7 @@ function buildSQ(stquery) {
 			parsedquery.where[0].expression.args[0].value = "lm";
 	}
 	else {
+		console.log('Simple query, no param')
 		parsedquery.where.splice(0, 1)
 	}
 
@@ -423,13 +424,14 @@ function buildClause(clause, parsedquery, whereind) {
 		else
 			strval = clause['queryText'].trim().slice(0, -1)
 
-		parsedquery.where[1].expression.args[1].value = strval;
+		parsedquery.where[0].expression.args[1].value = strval;
 		if (clause['lemma_forma'] == 'lemma')
-			parsedquery.where[1].expression.args[0].value = "lm";
+			parsedquery.where[0].expression.args[0].value = "lm";
 	}
 	else {
-		if (parsedquery.where[1].type == 'filter' && parsedquery.where[1].expression.args[0].value == 'Rappresentazione')
-			parsedquery.where.splice(1, 1)
+		if (parsedquery.where[0].type == 'filter' && parsedquery.where[0].expression.args[0].value == 'Rappresentazione')
+			parsedquery.where.splice(0, 1)
+			whereind=whereind-1
 	}
 	if (clause['typeGramm0'] != null && clause['typeGramm0'] != "all")
 		if (whereind > -1)