diff --git a/make/defs.mk b/make/defs.mk
index d63ae0ac..bd41a296 100644
--- a/make/defs.mk
+++ b/make/defs.mk
@@ -24,7 +24,7 @@ FLAVOUR_PATH_PREFIX   ?= win32/
 FLAVOUR_PATH_SUFFIX   ?= /win32
 endif
 
-PROJECT               ?= $(notdir $(shell cd $(TOPDIR); pwd | sed 's/.*\///; s/-[0-9].*//'))
+PROJECT               ?= $(patsubst $(FLAVOUR_PREFIX)%,%,$(notdir $(shell cd $(TOPDIR); pwd | sed 's/.*\///; s/-[0-9].*//')))
 PROJECT_CAPNAME        = $(shell echo $(PROJECT) | tr [a-z] [A-Z] | sed 's/-/_/g')
 PROJECT_DESCR         ?= No description
 CUSTOMER              ?= jannet