diff --git a/css/customizer-custom.css b/css/customizer-custom.css
index 733d523..753fde6 100644
--- a/css/customizer-custom.css
+++ b/css/customizer-custom.css
@@ -67,7 +67,8 @@
     transform: rotate(-45deg);
 }
 
-.vct-popup-buttons {
+.vct-popup-buttons,
+.vct-spinner-wrapper {
     margin-top: 30px;
 }
 
diff --git a/inc/customizer/class-visualcomposerstarter-customizer.php b/inc/customizer/class-visualcomposerstarter-customizer.php
index f610511..28b3789 100644
--- a/inc/customizer/class-visualcomposerstarter-customizer.php
+++ b/inc/customizer/class-visualcomposerstarter-customizer.php
@@ -3068,6 +3068,12 @@ public function print_popup_template() {
 					<button id="vct-popup-accept-button" class="button button-primary"><?php esc_html_e( 'Download & Publish', 'visual-composer-starter' ); ?></button>
 					<button id="vct-popup-cancel-button" class="button button-primary"><?php esc_html_e( 'Revert & Publish', 'visual-composer-starter' ); ?></button>
 				</div>
+				<div class="vct-spinner-wrapper" style="display: none;">
+					<span>
+						<img src="<?php echo esc_url( includes_url( 'images/spinner.gif' ) ); ?>"
+						     alt="<?php esc_html_e( 'Spinner', 'visual-composer-starter' ); ?>">
+					</span>
+				</div>
 			</div>
 		</div>
 		<?php
diff --git a/js/customize-popup.js b/js/customize-popup.js
index 0cd3a7b..a6825c4 100644
--- a/js/customize-popup.js
+++ b/js/customize-popup.js
@@ -79,12 +79,26 @@
 
 	// Download fonts
 	$( document ).on( 'click', '#vct-popup-accept-button', function( e ) {
+		var $downloadBtn = $(this);
+		var $revertBtn = $downloadBtn.siblings('button');
+		var $spinner = $downloadBtn.parents('.vct-popup-buttons').siblings('.vct-spinner-wrapper');
+
 		e && e.preventDefault && e.preventDefault();
+
 		if ( ! $.isEmptyObject( changedFonts ) ) {
-			$.post( window.ajaxurl, {
-				'action': 'vct_download_fonts',
-				'security': window.googleFontControlData.nonce,
-				'fonts': changedFonts
+			$.ajax( {
+				method: 'POST',
+				url: window.ajaxurl,
+				beforeSend: function() {
+					$downloadBtn.prop('disabled', true);
+					$revertBtn.prop('disabled', true);
+					$spinner.show();
+				},
+				data: {
+					'action': 'vct_download_fonts',
+					'security': window.googleFontControlData.nonce,
+					'fonts': changedFonts
+				}
 			} ).fail( function( xhr ) {
 				window.alert( xhr.responseText );
 			} ).done( function( response ) {
@@ -107,6 +121,10 @@
 					// Save settings
 					wp.customize.previewer.save();
 				}
+
+				$downloadBtn.prop('disabled', false);
+				$revertBtn.prop('disabled', false);
+				$spinner.hide();
 			} );
 		} else {
 			wp.customize.previewer.save();