diff --git a/extensions/blocks/revue/revue.php b/extensions/blocks/revue/revue.php
index dc136f36fba88..9a717ce4748c5 100644
--- a/extensions/blocks/revue/revue.php
+++ b/extensions/blocks/revue/revue.php
@@ -109,7 +109,7 @@ class="<?php echo esc_attr( $base_class . 'last-name' ); ?>"
 		endif;
 
 		// phpcs:disable WordPress.Security.EscapeOutput.OutputNotEscaped
-		if ( strpos( 'wp-block-jetpack-revue__fallback', $content ) ) {
+		if ( false !== strpos( $content, 'wp-block-jetpack-revue__fallback' ) ) {
 			echo $content;
 		} else {
 			echo get_deprecated_v1_revue_button( $attributes );