diff --git a/make/defs.mk b/make/defs.mk
index 931b7959..9c4365e5 100644
--- a/make/defs.mk
+++ b/make/defs.mk
@@ -18,7 +18,7 @@ endif
 
 # ----- standard variables
 
-PROJECT               ?= $(shell (cd $(TOPDIR); basename `pwd`))
+PROJECT               ?= $(shell (cd $(TOPDIR); basename `pwd` | sed 's/-[0-9].*//'))
 PROJECT_DESCR         ?= No description
 CUSTOMER              ?= jannet
 VERSION               ?= $(shell cat $(TOPDIR)/VERSION)