diff --git a/Makefile b/Makefile
index 688dbfd..254bcfa 100644
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,7 @@ all: app
 app: objects link
 objects: 
 	@$(MAKE) -C JuceLibraryCode
-	@$(MAKE) -C Source BUILD_DIR=${BUILD_DIR}/Source
+	@$(MAKE) -C Source
 	@$(MAKE) -C Radio
 	
 include $(MAKE_HOME)/compile.mk
diff --git a/config.mk b/config.mk
index 049a71e..84fffc4 100644
--- a/config.mk
+++ b/config.mk
@@ -1,7 +1,7 @@
 MAKE_HOME ?= /home/jens/work/software/make
 CONFIG ?= debug
 TARGET ?= mpsk_receiver
-BUILD_DIR ?= ./build/${CONFIG}
+BUILD_DIR ?= $(shell pwd)/build/${CONFIG}
 MAKEFLAGS += --no-print-directory
 
 LIBSRC_PATH ?= $(realpath ../../libsrc)