diff --git a/.changeset/twelve-seals-know.md b/.changeset/twelve-seals-know.md
new file mode 100644
index 0000000..760af89
--- /dev/null
+++ b/.changeset/twelve-seals-know.md
@@ -0,0 +1,5 @@
+---
+"ts-ics": patch
+---
+
+Dont fold lines twice on generateCalendar #141
diff --git a/packages/ts-ics/src/lib/generate/calendar.ts b/packages/ts-ics/src/lib/generate/calendar.ts
index fd296de..2b44481 100644
--- a/packages/ts-ics/src/lib/generate/calendar.ts
+++ b/packages/ts-ics/src/lib/generate/calendar.ts
@@ -38,7 +38,7 @@ export const generateIcsCalendar = (calendar: VCalendar) => {
 
   if (calendar.events && calendar.events.length > 0) {
     calendar.events.forEach((event) => {
-      icsString += generateIcsEvent(event);
+      icsString += generateIcsEvent(event, { skipFormatLines: true });
     });
   }
 
diff --git a/packages/ts-ics/src/lib/generate/event.ts b/packages/ts-ics/src/lib/generate/event.ts
index 2b97e82..11dd78b 100644
--- a/packages/ts-ics/src/lib/generate/event.ts
+++ b/packages/ts-ics/src/lib/generate/event.ts
@@ -28,7 +28,12 @@ import { getKeys } from "./utils/getKeys";
 import { formatLines } from "./utils/formatLines";
 import { escapeTextString } from "./utils/escapeText";
 
-export const generateIcsEvent = (event: VEvent) => {
+type GenerateIcsEventOptions = { skipFormatLines?: boolean };
+
+export const generateIcsEvent = (
+  event: VEvent,
+  options?: GenerateIcsEventOptions
+) => {
   const eventKeys = getKeys(event);
 
   let icsString = "";
@@ -108,5 +113,7 @@ export const generateIcsEvent = (event: VEvent) => {
 
   icsString += getIcsEndLine("VEVENT");
 
+  if (options?.skipFormatLines) return icsString;
+
   return formatLines(icsString);
 };
diff --git a/packages/ts-ics/tests/generate/calendar.test.ts b/packages/ts-ics/tests/generate/calendar.test.ts
new file mode 100644
index 0000000..f0e4513
--- /dev/null
+++ b/packages/ts-ics/tests/generate/calendar.test.ts
@@ -0,0 +1,32 @@
+import { CRLF_BREAK } from "@/constants";
+import { generateIcsCalendar } from "@/lib";
+import type { VCalendar, VEvent } from "@/types";
+
+it("Long descriptions are correctly folded - gh#141", async () => {
+  const date = new Date(2025, 0, 19);
+
+  const event: VEvent = {
+    start: { date },
+    stamp: { date },
+    end: { date },
+    summary: "Title",
+    uid: "1",
+    description:
+      "WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW",
+  };
+
+  const calendar: VCalendar = {
+    prodId: "1",
+    version: "2.0",
+    events: [event],
+  };
+
+  const icsCalendar = generateIcsCalendar(calendar);
+
+  expect(icsCalendar.includes(` W${CRLF_BREAK}`)).toBeFalsy(); // Calendar should not be folded again after it was folded already in generateEvent
+  expect(
+    icsCalendar.includes(
+      `DESCRIPTION:WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW${CRLF_BREAK} WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW${CRLF_BREAK} WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW${CRLF_BREAK}`
+    )
+  ).toBeTruthy();
+});