diff --git a/README.md b/README.md
index e75ea7ad1e..09a306b0d5 100644
--- a/README.md
+++ b/README.md
@@ -100,10 +100,17 @@ but works on all platforms that Python itself supports.
 
 ## Building / installing
 
+Before you start, run 
+```
+git pull --tags
+```
+in you local libsbp repository to pull the tags. This will ensure the correct
+version number is generated.
+
 ### Using Docker
 
 Before you begin, make sure you have [Docker](https://docs.docker.com/docker-for-mac/install/) installed.
-Start [Docker desktop](https://docs.docker.com/docker-for-mac/). 
+Start [Docker desktop](https://docs.docker.com/docker-for-mac/).
 
 #### Fetching the prebuilt image from DockerHub
 
diff --git a/c/include/libsbp/sbp_msg_type.h b/c/include/libsbp/sbp_msg_type.h
index e593f639f6..2b7b63f87c 100644
--- a/c/include/libsbp/sbp_msg_type.h
+++ b/c/include/libsbp/sbp_msg_type.h
@@ -256,6 +256,7 @@ typedef enum {
   SbpMsgVelNed = SBP_MSG_VEL_NED,
   SbpMsgWheeltick = SBP_MSG_WHEELTICK,
   SbpMsgAll = SBP_MSG_ALL,
+  SbpMsgUnknown = SBP_MSG_ALL,
 } sbp_msg_type_t;
 
 #ifdef __cplusplus
diff --git a/generator/sbpg/targets/resources/c/sbp_msg_type_template.h b/generator/sbpg/targets/resources/c/sbp_msg_type_template.h
index cc9b75490f..41d679d7c4 100644
--- a/generator/sbpg/targets/resources/c/sbp_msg_type_template.h
+++ b/generator/sbpg/targets/resources/c/sbp_msg_type_template.h
@@ -34,6 +34,7 @@ typedef enum {
   (((m.v4_msg_type))) = (((m.legacy_msg_type))),
 ((*- endfor *))
   SbpMsgAll = SBP_MSG_ALL,
+  SbpMsgUnknown = SBP_MSG_ALL,
 } sbp_msg_type_t;
 
 #ifdef __cplusplus