diff --git a/Makefile.in b/Makefile.in

index 7223b5b..2e4527c 100644

--- a/Makefile.in

+++ b/Makefile.in

@@ -266,7 +266,7 @@ install-doc: doc

 	done

 test: binaries libraries

-	$(TCLSH) `@CYGPATH@ $(srcdir)/tests/all.tcl` $(TESTFLAGS)

+	echo "load $(PKG_LIB_FILE); source [file join $(srcdir) tests all.tcl]" | $(TCLSH)

 shell: binaries libraries

 	@$(TCLSH) $(SCRIPT)