diff --git a/libraries/classes/Export.php b/libraries/classes/Export.php
index 34a16b4e0d..67a64186c1 100644
--- a/libraries/classes/Export.php
+++ b/libraries/classes/Export.php
@@ -589,7 +589,7 @@ class Export
         string $separate_files
     ): void {
         if (! empty($db_select)) {
-            $tmp_select = implode($db_select, '|');
+            $tmp_select = implode('|', $db_select);
             $tmp_select = '|' . $tmp_select . '|';
         }
         // Walk over databases
diff --git a/libraries/classes/Rte/Routines.php b/libraries/classes/Rte/Routines.php
index 24b0dd5fb8..fdec365b5a 100644
--- a/libraries/classes/Rte/Routines.php
+++ b/libraries/classes/Rte/Routines.php
@@ -1435,7 +1435,7 @@ class Routines
             // Generate output
             if ($outcome) {
                 // Pass the SQL queries through the "pretty printer"
-                $output  = Util::formatSql(implode($queries, "\n"));
+                $output  = Util::formatSql(implode("\n", $queries));
 
                 // Display results
                 $output .= "<fieldset><legend>";