diff --git a/packages/components/src/font-size-picker/index.js b/packages/components/src/font-size-picker/index.js
index 1fb266bba02b2b..47668eb2dca161 100644
--- a/packages/components/src/font-size-picker/index.js
+++ b/packages/components/src/font-size-picker/index.js
@@ -116,7 +116,7 @@ function FontSizePicker(
 		}
 
 		// Calculate the `hint` for toggle group control.
-		let hint = selectedOption.name;
+		let hint = selectedOption?.name || selectedOption.slug;
 		if (
 			! fontSizesContainComplexValues &&
 			typeof selectedOption.size === 'string'