diff --git a/api.php b/api.php
index 9fbc183..2765ef5 100755
--- a/api.php
+++ b/api.php
@@ -362,11 +362,10 @@ if ($q == "getAddress") {
      */
     $height = san($data['height']);
     $block = san($data['block']);
-    $includeMiningRewards = san($data['includeMiningRewards'] ?? '');
-    if(empty($includeMiningRewards) || $includeMiningRewards == '0' || $includeMiningRewards == 'false')
-        $includeMiningRewards = false;
-    else
-        $includeMiningRewards = true;
+    $includeMiningRewards = (
+        isset($data['includeMiningRewards']) &&
+        !($data['includeMiningRewards'] === '0' || $data['includeMiningRewards'] === 'false')
+    );
 
     $ret = $trx->get_transactions($height, $block, $includeMiningRewards);
 
diff --git a/include/transaction.inc.php b/include/transaction.inc.php
index 1f3ac5e..e01ca76 100755
--- a/include/transaction.inc.php
+++ b/include/transaction.inc.php
@@ -612,11 +612,11 @@ class Transaction
         if (empty($id) && empty($height)) {
             return false;
         }
-        $version_limit = $includeMiningRewards ? 0 : 1;
+        $versionLimit = $includeMiningRewards ? 0 : 1;
         if (!empty($id)) {
-            $r = $db->run("SELECT * FROM transactions WHERE block=:id AND version >= :version", [":id" => $id, ":version" => $version_limit]);
+            $r = $db->run("SELECT * FROM transactions WHERE block=:id AND version >= :version", [":id" => $id, ":version" => $versionLimit]);
         } else {
-            $r = $db->run("SELECT * FROM transactions WHERE height=:height AND version >= :version", [":height" => $height, ":version" => $version_limit]);
+            $r = $db->run("SELECT * FROM transactions WHERE height=:height AND version >= :version", [":height" => $height, ":version" => $versionLimit]);
         }
         $res = [];
         foreach ($r as $x) {