diff --git a/src/Dblayeroo.php b/src/Dblayeroo.php
index 02a594d..a1f968d 100644
--- a/src/Dblayeroo.php
+++ b/src/Dblayeroo.php
@@ -804,10 +804,10 @@ class Dblayeroo
                 foreach ($content as $row) {
                     $type = str_replace(" ", "", strtolower($row["type"]));
                     $fields[$row["name"]][] = $type;
-                    if ($row["notnull"] === "1") {
+                    if ($row["notnull"] === "1" || $row["notnull"] === 1) {
                         $fields[$row["name"]][] = "not null";
                     }
-                    if ($row["pk"] === "1") {
+                    if ($row["pk"] === "1" || $row["pk"] === 1) {
                         $primary = $row["name"];
                     }
                 }