diff --git a/projects/plugins/jetpack/changelog/fix-widget-visibility-jsconfig b/projects/plugins/jetpack/changelog/fix-widget-visibility-jsconfig
new file mode 100644
index 000000000000..3ca9f6c96f79
--- /dev/null
+++ b/projects/plugins/jetpack/changelog/fix-widget-visibility-jsconfig
@@ -0,0 +1,4 @@
+Significance: patch
+Type: other
+
+Widget visibility: add missing Jetpack config external.
diff --git a/projects/plugins/jetpack/tools/webpack.config.widget-visibility.js b/projects/plugins/jetpack/tools/webpack.config.widget-visibility.js
index ae8c890ad14e..c52b0f70d575 100644
--- a/projects/plugins/jetpack/tools/webpack.config.widget-visibility.js
+++ b/projects/plugins/jetpack/tools/webpack.config.widget-visibility.js
@@ -37,6 +37,12 @@ module.exports = {
 		} ),
 		definePaletteColorsAsStaticVariables(),
 	],
+	externals: {
+		...jetpackWebpackConfig.externals,
+		jetpackConfig: JSON.stringify( {
+			consumer_slug: 'jetpack',
+		} ),
+	},
 	module: {
 		strictExportPresence: true,
 		rules: [