diff --git a/target/common/Makefile_loader.inc b/target/common/Makefile_loader.inc
index f162c31..92e5048 100644
--- a/target/common/Makefile_loader.inc
+++ b/target/common/Makefile_loader.inc
@@ -3,6 +3,8 @@ XILINX      ?= /opt/Xilinx/14.7
 PATH       := $(PATH):${XILINX}/ISE_DS/ISE/bin/lin64:${PAPILIO}/linux64
 SHELL      := env PATH=$(PATH) /bin/bash
 
+build: working/$(TARGET).bit
+
 working/$(TARGET).bit:
 	# create a working directory if necessary
 	mkdir -p working