diff --git a/src/main/java/at/compax/tools/sql/main/Main.java b/src/main/java/at/compax/tools/sql/main/Main.java
index 22f787b..250151d 100644
--- a/src/main/java/at/compax/tools/sql/main/Main.java
+++ b/src/main/java/at/compax/tools/sql/main/Main.java
@@ -192,11 +192,13 @@ public class Main {
             ObjectMapper mapper = new ObjectMapper();
             QueryParameter queryParameter = mapper.readValue(commandBuffer.toString(), QueryParameter.class);
             
-            String query = queryParameter.getSql();
+            String query = queryParameter.getSql().trim();
             String result;
             if (query.toLowerCase().startsWith("select")) {
               result = formatJsonObject(SqlExecutor.executeQuery(conn, query, queryParameter.getRowLimit()));
-            } else if (query.toLowerCase().startsWith("update") || query.toLowerCase().startsWith("insert")) {
+            } else if (   query.toLowerCase().startsWith("update")
+                       || query.toLowerCase().startsWith("insert")
+                       || query.toLowerCase().startsWith("delete")) {
               result = formatJsonObject(SqlExecutor.executeUpdate(conn, query));
             } else {
               result = formatJsonObject(SqlExecutor.execute(conn, query));