diff --git a/Makefile b/Makefile
index 6c6d555..1b9b9bd 100644
--- a/Makefile
+++ b/Makefile
@@ -33,7 +33,6 @@ CFLAGS += -I$(SYSEXITS)
 
 # testing requires the absolute path to the bin directory set
 BIN = build/bin
-include tests/tests.mk
 
 .PHONY: default
 default: all test
@@ -158,3 +157,5 @@ build/bin/swab: src/swab.rs build rustlibs
 true: build/bin/true
 build/bin/true: src/true.c build
 	$(CC) $(CFLAGS) -o $@ src/true.c
+
+include tests/tests.mk