diff --git a/activate.php b/activate.php
index 1001914a..d33e188c 100644
--- a/activate.php
+++ b/activate.php
@@ -76,7 +76,7 @@ function ( $result ) {
  */
 function sqlite_plugin_copy_db_file() {
 	// Bail early if the PDO SQLite extension is not loaded.
-	if ( ! extension_loaded( 'pdo_sqlite' ) ) {
+	if ( ! extension_loaded( 'pdo_sqlite' ) && ! extension_loaded( 'sqlite3' ) ) {
 		return;
 	}
 
diff --git a/admin-notices.php b/admin-notices.php
index a455cc86..3fe820bc 100644
--- a/admin-notices.php
+++ b/admin-notices.php
@@ -20,7 +20,7 @@ function sqlite_plugin_admin_notice() {
 	}
 
 	// If PDO SQLite is not loaded, bail early.
-	if ( ! extension_loaded( 'pdo_sqlite' ) ) {
+	if ( ! extension_loaded( 'pdo_sqlite' ) && ! extension_loaded( 'sqlite3' ) ) {
 		printf(
 			'<div class="notice notice-error"><p>%s</p></div>',
 			esc_html__( 'The SQLite Integration plugin is active, but the PDO SQLite extension is missing from your server. Please make sure that PDO SQLite is enabled in your PHP installation.', 'sqlite-database-integration' )
diff --git a/admin-page.php b/admin-page.php
index cd8613cc..bff34039 100644
--- a/admin-page.php
+++ b/admin-page.php
@@ -61,7 +61,7 @@ function sqlite_integration_admin_screen() {
 					);
 				?>
 			</p>
-		<?php elseif ( ! extension_loaded( 'pdo_sqlite' ) ) : ?>
+		<?php elseif ( ! extension_loaded( 'pdo_sqlite' ) && ! extension_loaded( 'sqlite3' ) ) : ?>
 			<div class="notice notice-error">
 				<p><?php esc_html_e( 'We detected that the PDO SQLite driver is missing from your server (the pdo_sqlite extension is not loaded). Please make sure that SQLite is enabled in your PHP installation before proceeding.', 'sqlite-database-integration' ); ?></p>
 			</div>
diff --git a/wp-includes/sqlite/db.php b/wp-includes/sqlite/db.php
index dc50d22e..819ca5bc 100644
--- a/wp-includes/sqlite/db.php
+++ b/wp-includes/sqlite/db.php
@@ -33,7 +33,7 @@
 	);
 }
 
-if ( ! extension_loaded( 'pdo_sqlite' ) ) {
+if ( ! extension_loaded( 'pdo_sqlite' ) && ! extension_loaded( 'sqlite3' ) ) {
 	wp_die(
 		new WP_Error(
 			'pdo_driver_not_loaded',