diff --git a/src/Makefile b/src/Makefile
index c745d4b..ba300ce 100755
--- a/src/Makefile
+++ b/src/Makefile
@@ -25,7 +25,7 @@ OBJECTS=$(CXXOBJECTS)
 OUT_DIR=../
 C_OUT_NAME=$(OUT_DIR)controllerhf.so
 
-all: make_c_app make_wsprd
+all: make_c_app make_wsprd make_write-c2-files
 
 .cpp.o:
 	$(CXX) -c $(CXXFLAGS) $< -o $@
@@ -33,6 +33,9 @@ all: make_c_app make_wsprd
 make_wsprd:
 	cd wsprd && make wsprd
 
+make_write-c2-files: $(OBJECTS)
+	cd write-c2-files && make
+
 make_c_app: $(OBJECTS)
 	$(CXX) $(OBJECTS) -o $(C_OUT_NAME) $(LDFLAGS)
 
diff --git a/src/write-c2-files/Makefile b/src/write-c2-files/Makefile
index c094de6..247deb4 100644
--- a/src/write-c2-files/Makefile
+++ b/src/write-c2-files/Makefile
@@ -4,3 +4,7 @@ all: write-c2-files
 
 write-c2-files: write-c2-files.c
 	gcc $(CFLAGS) -o $@ $^ -lm -lconfig
+	cp write-c2-files ../../
+
+clean:
+	rm write-c2-files
diff --git a/write-c2-files b/write-c2-files
index 8ab96bf..f808e48 100755
Binary files a/write-c2-files and b/write-c2-files differ