diff --git a/features/cellular/framework/AT/ATHandler.h b/features/cellular/framework/AT/ATHandler.h
index c05c581c0c..e019efa482 100644
--- a/features/cellular/framework/AT/ATHandler.h
+++ b/features/cellular/framework/AT/ATHandler.h
@@ -43,7 +43,7 @@ class FileHandle;
 extern const char *OK;
 extern const char *CRLF;
 
-#define BUFF_SIZE 16
+#define BUFF_SIZE 32
 
 /* AT Error types enumeration */
 enum DeviceErrorType {