diff --git a/Makefile b/Makefile
index 6466bdc..8f51fae 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,13 @@
 
+SHELL=C:/windows/system32/cmd.exe
+.SHELLFLAGS=/C
+
 TEST_FILES = $(wildcard samples/*.zip)
 
 PYTHONPATH = $(CURDIR)/modules/ebooklib
 
 .PHONY: test
-test: test_samples/algorithms_third_edition_in_c.zip 
+test: test_samples/algorithms_third_edition_in_c.zip
 
 .PHONY: test_all
 test_all: $(addprefix test_,$(TEST_FILES))
@@ -21,5 +24,3 @@ $(addprefix test_,$(TEST_FILES)): test_%:
 .PHONY: setup
 setup:
 	git submodule update
-
-