diff --git a/src/commands/function/invoke.ts b/src/commands/function/invoke.ts
index 5123c3e..b390154 100644
--- a/src/commands/function/invoke.ts
+++ b/src/commands/function/invoke.ts
@@ -133,7 +133,8 @@ export const run = async (options: any) => {
         }
         
         const result = execSync(`echo "${path}" | ${envString} ${runtimePath} ${manifestPath}`, {
-          cwd: path
+          cwd: path,
+          maxBuffer: (10000 * 1024)
         }).toString()
 
         if (!manifest.contentType || manifest.contentType === 'json' && result) {
@@ -194,7 +195,8 @@ export const run = async (options: any) => {
       }
 
       const result = execSync(`echo "${stdinString}" | ${envString} ${runtimePath} ${manifestPath}`, {
-        cwd: path
+        cwd: path,
+        maxBuffer: (10000 * 1024)
       }).toString()
 
       console.log(result)
diff --git a/src/commands/sites/preview.ts b/src/commands/sites/preview.ts
index 0ee2055..c592f69 100644
--- a/src/commands/sites/preview.ts
+++ b/src/commands/sites/preview.ts
@@ -95,7 +95,8 @@ export const run = async (options: any) => {
 
     fastify.get("*", async (request, reply) => {
       const result = execSync(`echo "${decodeURIComponent(request.url.trim())}" | ${envString} ${runtimePath} ${manifestPath}`, {
-        cwd: path
+        cwd: path,
+        maxBuffer: (10000 * 1024)
       }).toString()
 
       if (!manifest.contentType || manifest.contentType === 'json' && result) {