diff --git a/packages/core/src/NodeExecuteFunctions.ts b/packages/core/src/NodeExecuteFunctions.ts
index 29b0c140e7..7fcf724401 100644
--- a/packages/core/src/NodeExecuteFunctions.ts
+++ b/packages/core/src/NodeExecuteFunctions.ts
@@ -135,6 +135,28 @@ function searchForHeader(headers: IDataObject, headerName: string) {
 	return headerNames.find((thisHeader) => thisHeader.toLowerCase() === headerName);
 }
 
+async function generateContentLengthHeader(formData: FormData, headers: IDataObject) {
+	if (!formData || !formData.getLength) {
+		return;
+	}
+	try {
+		const length = await new Promise((res, rej) => {
+			formData.getLength((error: Error | null, length: number) => {
+				if (error) {
+					rej(error);
+					return;
+				}
+				res(length);
+			});
+		});
+		headers = Object.assign(headers, {
+			'content-length': length,
+		});
+	} catch (error) {
+		Logger.error('Unable to calculate form data length', { error });
+	}
+}
+
 async function parseRequestObject(requestObject: IDataObject) {
 	// This function is a temporary implementation
 	// That translates all http requests done via
@@ -199,6 +221,7 @@ async function parseRequestObject(requestObject: IDataObject) {
 		delete axiosConfig.headers[contentTypeHeaderKeyName];
 		const headers = axiosConfig.data.getHeaders();
 		axiosConfig.headers = Object.assign(axiosConfig.headers || {}, headers);
+		await generateContentLengthHeader(axiosConfig.data, axiosConfig.headers);
 	} else {
 		// When using the `form` property it means the content should be x-www-form-urlencoded.
 		if (requestObject.form !== undefined && requestObject.body === undefined) {
@@ -235,6 +258,7 @@ async function parseRequestObject(requestObject: IDataObject) {
 			// Mix in headers as FormData creates the boundary.
 			const headers = axiosConfig.data.getHeaders();
 			axiosConfig.headers = Object.assign(axiosConfig.headers || {}, headers);
+			await generateContentLengthHeader(axiosConfig.data, axiosConfig.headers);
 		} else if (requestObject.body !== undefined) {
 			// If we have body and possibly form
 			if (requestObject.form !== undefined) {