diff --git a/packages/nodes-base/nodes/Google/Gmail/Gmail.node.ts b/packages/nodes-base/nodes/Google/Gmail/Gmail.node.ts
index a02b2d9b530da..9bb2e36fc03fb 100644
--- a/packages/nodes-base/nodes/Google/Gmail/Gmail.node.ts
+++ b/packages/nodes-base/nodes/Google/Gmail/Gmail.node.ts
@@ -336,9 +336,10 @@ export class Gmail implements INodeType {
 										for (const binaryProperty of (property as string).split(',')) {
 											if (items[i].binary![binaryProperty] !== undefined) {
 												const binaryData = items[i].binary![binaryProperty];
+												const binaryDataBuffer = await this.helpers.getBinaryDataBuffer(i, binaryProperty);
 												attachmentsBinary.push({
 													name: binaryData.fileName || 'unknown',
-													content: binaryData.data,
+													content: binaryDataBuffer,
 													type: binaryData.mimeType,
 												});
 											}
@@ -422,9 +423,10 @@ export class Gmail implements INodeType {
 										for (const binaryProperty of (property as string).split(',')) {
 											if (items[i].binary![binaryProperty] !== undefined) {
 												const binaryData = items[i].binary![binaryProperty];
+												const binaryDataBuffer = await this.helpers.getBinaryDataBuffer(i, binaryProperty);
 												attachmentsBinary.push({
 													name: binaryData.fileName || 'unknown',
-													content: binaryData.data,
+													content: binaryDataBuffer,
 													type: binaryData.mimeType,
 												});
 											}
@@ -644,9 +646,10 @@ export class Gmail implements INodeType {
 											for (const binaryProperty of (property as string).split(',')) {
 												if (items[i].binary![binaryProperty] !== undefined) {
 													const binaryData = items[i].binary![binaryProperty];
+													const binaryDataBuffer = await this.helpers.getBinaryDataBuffer(i, binaryProperty);
 													attachmentsBinary.push({
 														name: binaryData.fileName || 'unknown',
-														content: binaryData.data,
+														content: binaryDataBuffer,
 														type: binaryData.mimeType,
 													});
 												}