diff --git a/src/main/java/eu/openaire/urls_controller/util/FileUtils.java b/src/main/java/eu/openaire/urls_controller/util/FileUtils.java
index 8ca85c6..6f2abff 100644
--- a/src/main/java/eu/openaire/urls_controller/util/FileUtils.java
+++ b/src/main/java/eu/openaire/urls_controller/util/FileUtils.java
@@ -105,7 +105,7 @@ public class FileUtils {
             errorMsg = "Problem when copying the contents of \"" + tableName + "\" table to a newly created \"" + tableName + "_tmp\" table, when merging the parquet-files!\n";
             logger.error(errorMsg, e);
             try {   // Make sure we delete the possibly half-created temp-table.
-                jdbcTemplate.execute("DROP TABLE IF EXISTS" + ImpalaConnector.databaseName + "." + tableName + "_tmp PURGE");
+                jdbcTemplate.execute("DROP TABLE IF EXISTS " + ImpalaConnector.databaseName + "." + tableName + "_tmp PURGE");
                 // We cannot move on with merging, but no harm happened, since the "table_tmp" name is still reserved for future use (after it was dropped immediately)..
             } catch (Exception e1) {
                 logger.error("Failed to drop the \"" + tableName + "_tmp\" table!", e1);
@@ -122,7 +122,7 @@ public class FileUtils {
             logger.error(errorMsg, e);
             // The original table could not be dropped, so the temp-table cannot be renamed to the original..!
             try {   // Make sure we delete the already created temp-table, in order to be able to use it in the future. The merging has failed nevertheless.
-                jdbcTemplate.execute("DROP TABLE" + ImpalaConnector.databaseName + "." + tableName + "_tmp PURGE");
+                jdbcTemplate.execute("DROP TABLE " + ImpalaConnector.databaseName + "." + tableName + "_tmp PURGE");
             } catch (Exception e1) {
                 logger.error((errorMsg += "Failed to drop the \"" + tableName + "_tmp\" table!"), e1);  // Add this error to the original, both are very important.
             }