diff --git a/projects/plugins/jetpack/changelog/fix-cdn-deprecated-error b/projects/plugins/jetpack/changelog/fix-cdn-deprecated-error
new file mode 100644
index 000000000000..d9949012c9b4
--- /dev/null
+++ b/projects/plugins/jetpack/changelog/fix-cdn-deprecated-error
@@ -0,0 +1,4 @@
+Significance: patch
+Type: other
+
+Cleaning PHP deprecated error notice from the log
diff --git a/projects/plugins/jetpack/modules/photon-cdn.php b/projects/plugins/jetpack/modules/photon-cdn.php
index 232a1c8d329f..8a72cc231fbd 100644
--- a/projects/plugins/jetpack/modules/photon-cdn.php
+++ b/projects/plugins/jetpack/modules/photon-cdn.php
@@ -77,6 +77,9 @@ public static function cdnize_assets() {
 				if ( wp_startswith( $thing->src, self::CDN ) ) {
 					continue;
 				}
+				if ( ! is_string( $thing->src ) ) {
+					continue;
+				}
 				$src = ltrim( str_replace( $site_url, '', $thing->src ), '/' );
 				if ( self::is_js_or_css_file( $src ) && in_array( substr( $src, 0, 9 ), array( 'wp-admin/', 'wp-includ' ), true ) ) {
 					$wp_scripts->registered[ $handle ]->src = sprintf( self::CDN . 'c/%1$s/%2$s', $version, $src );
@@ -87,6 +90,9 @@ public static function cdnize_assets() {
 				if ( wp_startswith( $thing->src, self::CDN ) ) {
 					continue;
 				}
+				if ( ! is_string( $thing->src ) ) {
+					continue;
+				}
 				$src = ltrim( str_replace( $site_url, '', $thing->src ), '/' );
 				if ( self::is_js_or_css_file( $src ) && in_array( substr( $src, 0, 9 ), array( 'wp-admin/', 'wp-includ' ), true ) ) {
 					$wp_styles->registered[ $handle ]->src = sprintf( self::CDN . 'c/%1$s/%2$s', $version, $src );