diff --git a/plugins/woocommerce-blocks/assets/js/base/utils/lazy-load-script.ts b/plugins/woocommerce-blocks/assets/js/base/utils/lazy-load-script.ts
index 4035be337d2..1d39a0dd8f3 100644
--- a/plugins/woocommerce-blocks/assets/js/base/utils/lazy-load-script.ts
+++ b/plugins/woocommerce-blocks/assets/js/base/utils/lazy-load-script.ts
@@ -123,7 +123,7 @@ const lazyLoadScript = ( {
 			id: `${ handle }-js`,
 			onerror: reject,
 			onload,
-			src: version ? `${ src }?${ version }` : src,
+			src: version ? `${ src }?ver=${ version }` : src,
 		} );
 	} );
 };
diff --git a/plugins/woocommerce-blocks/assets/js/base/utils/preload-script.ts b/plugins/woocommerce-blocks/assets/js/base/utils/preload-script.ts
index ed63b0c8459..efa578a8dc4 100644
--- a/plugins/woocommerce-blocks/assets/js/base/utils/preload-script.ts
+++ b/plugins/woocommerce-blocks/assets/js/base/utils/preload-script.ts
@@ -19,7 +19,7 @@ const preloadScript = ( {
 
 	if ( handleScriptElements.length === 0 ) {
 		const prefetchLink = document.createElement( 'link' );
-		prefetchLink.href = version ? `${ src }?${ version }` : src;
+		prefetchLink.href = version ? `${ src }?ver=${ version }` : src;
 		prefetchLink.rel = 'preload';
 		prefetchLink.as = 'script';
 		prefetchLink.id = `${ handle }-js-prefetch`;