diff --git a/src/index.ts b/src/index.ts
index fc82d28..aba3286 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -312,13 +312,14 @@ class LanguageServerPlugin implements PluginValue {
     ): Promise<Tooltip | null> {
         if (!this.client.ready || !this.client.capabilities!.hoverProvider) return null;
 
-        this.sendChange({ documentText: view.state.doc.toString() });
         const result = await this.client.textDocumentHover({
             textDocument: { uri: this.documentUri },
             position: { line, character },
         });
         if (!result) return null;
         const { contents, range } = result;
+        let formattedContents = formatContents(contents)
+        if (formattedContents.length == 0) return null;
         let pos = posToOffset(view.state.doc, { line, character })!;
         let end: number;
         if (range) {
@@ -328,8 +329,8 @@ class LanguageServerPlugin implements PluginValue {
         if (pos === null) return null;
         const dom = document.createElement('div');
         dom.classList.add('documentation');
-        if (this.allowHTMLContent) dom.innerHTML = formatContents(contents);
-        else dom.textContent = formatContents(contents);
+        if (this.allowHTMLContent) dom.innerHTML = formattedContents;
+        else dom.textContent = formattedContents;
         return { pos, end, create: (view) => ({ dom }), above: true };
     }