diff --git a/src/lib/components/chat/Messages/CitationsModal.svelte b/src/lib/components/chat/Messages/CitationsModal.svelte
index cb740ce69..c77a8193b 100644
--- a/src/lib/components/chat/Messages/CitationsModal.svelte
+++ b/src/lib/components/chat/Messages/CitationsModal.svelte
@@ -14,6 +14,7 @@
 	let mergedDocuments = [];
 
 	function calculatePercentage(distance: number) {
+		if (typeof distance !== 'number') return null;
 		if (distance < 0) return 0;
 		if (distance > 1) return 100;
 		return Math.round(distance * 10000) / 100;
@@ -122,11 +123,14 @@
 										<div class="text-sm my-1 dark:text-gray-400 flex items-center gap-2 w-fit">
 											{#if showPercentage}
 												{@const percentage = calculatePercentage(document.distance)}
-												<span
-													class={`px-1 rounded-sm font-medium ${getRelevanceColor(percentage)}`}
-												>
-													{percentage.toFixed(2)}%
-												</span>
+
+												{#if typeof percentage === 'number'}
+													<span
+														class={`px-1 rounded-sm font-medium ${getRelevanceColor(percentage)}`}
+													>
+														{percentage.toFixed(2)}%
+													</span>
+												{/if}
 												<span class="text-gray-500 dark:text-gray-500">
 													({(document?.distance ?? 0).toFixed(4)})
 												</span>