diff --git a/plugins/woocommerce/changelog/48476-fix-null-strpos-44598 b/plugins/woocommerce/changelog/48476-fix-null-strpos-44598
new file mode 100644
index 00000000000..c9efcea5e4c
--- /dev/null
+++ b/plugins/woocommerce/changelog/48476-fix-null-strpos-44598
@@ -0,0 +1,4 @@
+Significance: patch
+Type: fix
+
+Fix a null parameter being passed into strpos in Admin/Orders/PageController.php
diff --git a/plugins/woocommerce/src/Internal/Admin/Orders/PageController.php b/plugins/woocommerce/src/Internal/Admin/Orders/PageController.php
index 125b3d6e098..3f55f80910e 100644
--- a/plugins/woocommerce/src/Internal/Admin/Orders/PageController.php
+++ b/plugins/woocommerce/src/Internal/Admin/Orders/PageController.php
@@ -143,7 +143,7 @@ class PageController {
 		}
 
 		// Not on an Orders page.
-		if ( 'admin.php' !== $pagenow || 0 !== strpos( $plugin_page, 'wc-orders' ) ) {
+		if ( empty( $plugin_page ) || 'admin.php' !== $pagenow || 0 !== strpos( $plugin_page, 'wc-orders' ) ) {
 			return;
 		}