diff --git a/adapters/vim/bridge.ts b/adapters/vim/bridge.ts
index fba0032..646855c 100644
--- a/adapters/vim/bridge.ts
+++ b/adapters/vim/bridge.ts
@@ -128,11 +128,14 @@ function setContent(newContent: string) {
 }
 
 // read json lines from stdin
+let buffer = "";
 const decoder = new TextDecoder();
 for await (const chunk of Bun.stdin.stream()) {
-  const lines = decoder.decode(chunk).trim().split("\n");
+  buffer += decoder.decode(chunk);
+  const lines = buffer.split("\n");
+  buffer = lines.pop() ?? ""; // keep incomplete last line
   for (const line of lines) {
-    if (!line) continue;
+    if (!line.trim()) continue;
     try {
       const msg = JSON.parse(line);
       switch (msg.type) {