diff --git a/Makefile b/Makefile
index 115e7f0..3f21055 100644
--- a/Makefile
+++ b/Makefile
@@ -102,11 +102,11 @@ $(MMSONAME): $(MOK_OBJS) Cryptlib/libcryptlib.a Cryptlib/OpenSSL/libopenssl.a li
 	$(LD) -o $@ $(LDFLAGS) $^ $(EFI_LIBS) lib/lib.a
 
 Cryptlib/libcryptlib.a:
-	mkdir -p Cryptlib/{Hash,Hmac,Cipher,Rand,Pk,Pem,SysCall}
+	for i in Hash Hmac Cipher Rand Pk Pem SysCall; do mkdir -p Cryptlib/$$i; done
 	$(MAKE) VPATH=$(TOPDIR)/Cryptlib TOPDIR=$(TOPDIR)/Cryptlib -C Cryptlib -f $(TOPDIR)/Cryptlib/Makefile
 
 Cryptlib/OpenSSL/libopenssl.a:
-	mkdir -p Cryptlib/OpenSSL/crypto/{x509v3,x509,txt_db,stack,sha,rsa,rc4,rand,pkcs7,pkcs12,pem,ocsp,objects,modes,md5,lhash,kdf,hmac,evp,err,dso,dh,conf,comp,cmac,buffer,bn,bio,async{,/arch},asn1,aes}/
+	for i in x509v3 x509 txt_db stack sha rsa rc4 rand pkcs7 pkcs12 pem ocsp objects modes md5 lhash kdf hmac evp err dso dh conf comp cmac buffer bn bio async/arch asn1 aes; do mkdir -p Cryptlib/OpenSSL/crypto/$$i; done
 	$(MAKE) VPATH=$(TOPDIR)/Cryptlib/OpenSSL TOPDIR=$(TOPDIR)/Cryptlib/OpenSSL -C Cryptlib/OpenSSL -f $(TOPDIR)/Cryptlib/OpenSSL/Makefile
 
 lib/lib.a: | $(TOPDIR)/lib/Makefile $(wildcard $(TOPDIR)/include/*.[ch])