diff --git a/src/Makefile b/src/Makefile
index 221da15..6580c1a 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -6,10 +6,10 @@
 %.o: %.c
 	$(CC) $(CFLAGS) -o $@ -c $^
 
-e1_test: osmo_e1.o crc4itu.o e1_test.o
+e1_test: osmo_e1f.o crc4itu.o e1_test.o
 	$(CC) $(LDFLAGS) -o $@ $^
 
-e1_test_dieter: osmo_e1.o crc4itu.o e1_test_dieter.o
+e1_test_dieter: osmo_e1f.o crc4itu.o e1_test_dieter.o
 	$(CC) $(LDFLAGS) -o $@ $^