diff --git a/version.inc b/version.inc
index 1e132339a62..0dd34672e53 100644
--- a/version.inc
+++ b/version.inc
@@ -4,6 +4,6 @@
 set(SLIC3R_APP_NAME "PrusaSlicer")
 set(SLIC3R_APP_KEY "PrusaSlicer")
 set(SLIC3R_VERSION "2.8.1-rc1")
-set(SLIC3R_BUILD_ID "PrusaSlicer-${SLIC3R_VERSION}+UNKNOWN")
+set(SLIC3R_BUILD_ID "PrusaSlicer-${SLIC3R_VERSION}+BOSS")
 set(SLIC3R_RC_VERSION "2,8,1,0")
 set(SLIC3R_RC_VERSION_DOTS "2.8.1.0")