diff --git a/project/extras.mk b/project/extras.mk
index 7bb607f..781c5ff 100644
--- a/project/extras.mk
+++ b/project/extras.mk
@@ -16,14 +16,14 @@ endif
 
 install-headers-custom:	install-headers-default
 			mkdir -p $(DESTDIR)$(INCLUDEDIR)/$(PACKAGE)/bits
-			mkdir -p $(DESTDIR)$(INCLUDEDIR)/$(PACKAGE)/bits/i386
-			mkdir -p $(DESTDIR)$(INCLUDEDIR)/$(PACKAGE)/bits/x86_64
+			mkdir -p $(DESTDIR)$(INCLUDEDIR)/$(PACKAGE)/bits/nt32
+			mkdir -p $(DESTDIR)$(INCLUDEDIR)/$(PACKAGE)/bits/nt64
 
 			cp $(API_HEADERS_BITS) \
 			   $(DESTDIR)$(INCLUDEDIR)/$(PACKAGE)/bits
 
 			cp $(API_HEADERS_I386) \
-			   $(DESTDIR)$(INCLUDEDIR)/$(PACKAGE)/bits/i386
+			   $(DESTDIR)$(INCLUDEDIR)/$(PACKAGE)/bits/nt32
 
 			cp $(API_HEADERS_X86_64) \
-			   $(DESTDIR)$(INCLUDEDIR)/$(PACKAGE)/bits/x86_64
+			   $(DESTDIR)$(INCLUDEDIR)/$(PACKAGE)/bits/nt64