diff --git a/aos/common/logging/implementations.cc b/aos/common/logging/implementations.cc
index 697dec9..4c6ebeb 100644
--- a/aos/common/logging/implementations.cc
+++ b/aos/common/logging/implementations.cc
@@ -173,7 +173,7 @@
               static_cast<int>(message.message_length), message.message);
       break;
     case LogMessage::Type::kStruct: {
-      char buffer[2048];
+      char buffer[3072];
       size_t output_length = sizeof(buffer);
       size_t input_length = message.message_length;
       if (!PrintMessage(
diff --git a/aos/common/logging/log_displayer.cc b/aos/common/logging/log_displayer.cc
index fba48c4..54d67b7 100644
--- a/aos/common/logging/log_displayer.cc
+++ b/aos/common/logging/log_displayer.cc
@@ -350,7 +350,7 @@
         memcpy(&string_length, position, sizeof(string_length));
         position += sizeof(string_length);
 
-        char buffer[2048];
+        char buffer[3072];
         size_t output_length = sizeof(buffer);
         size_t input_length =
             msg->message_size -
@@ -391,7 +391,7 @@
             (sizeof(type) + sizeof(uint32_t) + sizeof(uint16_t) +
              sizeof(uint16_t) + string_length);
         CHECK_EQ(matrix_bytes, ::aos::MessageType::Sizeof(type) * rows * cols);
-        char buffer[2048];
+        char buffer[3072];
         size_t output_length = sizeof(buffer);
         if (!::aos::PrintMatrix(buffer, &output_length,
                                 position + string_length, type, rows, cols)) {