diff --git a/VERSION b/VERSION
index 9b61845a..0bad939d 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-B2-rc2-1-gbc7871f630+1
\ No newline at end of file
+B2-rc2-2-g667ab981ba+1
\ No newline at end of file
diff --git a/client/src/main.c b/client/src/main.c
index c9624752..82ad775c 100644
--- a/client/src/main.c
+++ b/client/src/main.c
@@ -1474,19 +1474,25 @@ static int lg_run()
   if (!state.running)
     return -1;
 
-  if (udataSize != sizeof(KVMFR) ||
-      memcmp(udata->magic, KVMFR_MAGIC, sizeof(udata->magic)) != 0 ||
-      udata->version != KVMFR_VERSION)
+  const bool magicMatches = memcmp(udata->magic, KVMFR_MAGIC, sizeof(udata->magic)) == 0;
+  if (udataSize != sizeof(KVMFR) || !magicMatches || udata->version != KVMFR_VERSION)
   {
     DEBUG_BREAK();
     DEBUG_ERROR("The host application is not compatible with this client");
-    DEBUG_ERROR("Expected KVMFR version %d", KVMFR_VERSION);
     DEBUG_ERROR("This is not a Looking Glass error, do not report this");
+    DEBUG_ERROR("Please install the matching host application for this client");
+
+    if (magicMatches)
+      DEBUG_ERROR("Expected KVMFR version %d, got %d", KVMFR_VERSION, udata->version);
+    else
+      DEBUG_ERROR("Invalid KVMFR magic");
+
     DEBUG_BREAK();
     return -1;
   }
 
-  DEBUG_INFO("Host ready, starting session");
+  DEBUG_INFO("Host ready, reported version: %s", udata->hostver);
+  DEBUG_INFO("Starting session");
 
   if (!lgCreateThread("cursorThread", cursorThread, NULL, &t_cursor))
   {
diff --git a/common/include/common/KVMFR.h b/common/include/common/KVMFR.h
index 701ccd36..8557d878 100644
--- a/common/include/common/KVMFR.h
+++ b/common/include/common/KVMFR.h
@@ -51,12 +51,13 @@ typedef enum CursorType
 CursorType;
 
 #define KVMFR_MAGIC   "KVMFR---"
-#define KVMFR_VERSION 1
+#define KVMFR_VERSION 2
 
 typedef struct KVMFR
 {
   char     magic[8];
   uint32_t version;
+  char     hostver[32];
 }
 KVMFR;
 
diff --git a/host/src/app.c b/host/src/app.c
index 67729765..22e48012 100644
--- a/host/src/app.c
+++ b/host/src/app.c
@@ -435,9 +435,10 @@ int app_main(int argc, char * argv[])
   DEBUG_INFO("Max Pointer Size : %u KiB", (unsigned int)MAX_POINTER_SIZE / 1024);
   DEBUG_INFO("KVMFR Version    : %u", KVMFR_VERSION);
 
-  KVMFR udata = {
+  const KVMFR udata = {
     .magic   = KVMFR_MAGIC,
-    .version = KVMFR_VERSION
+    .version = KVMFR_VERSION,
+    .hostver = BUILD_VERSION
   };
 
   LGMP_STATUS status;