--- a/Makefile	Sat Apr 29 09:21:07 2023
+++ b/Makefile	Sat Apr 29 09:19:07 2023
@@ -223,15 +223,15 @@
 
 # Very basic install. It assumes "realclean" was done just prior to build target.
 install:
-	if not exist $(DLLDEST) mkdir $(DLLDEST)
-	if not exist $(LIBDEST) mkdir $(LIBDEST)
-	if not exist $(HDRDEST) mkdir $(HDRDEST)
-	if exist pthreadV*.dll copy pthreadV*.dll $(DLLDEST)
-	if exist pthreadV*.lib copy pthreadV*.lib $(LIBDEST)
-	copy _ptw32.h $(HDRDEST)
-	copy pthread.h $(HDRDEST)
-	copy sched.h $(HDRDEST)
-	copy semaphore.h $(HDRDEST)
+	if not exist "$(DLLDEST)" mkdir "$(DLLDEST)"
+	if not exist "$(LIBDEST)" mkdir "$(LIBDEST)"
+	if not exist "$(HDRDEST)" mkdir "$(HDRDEST)"
+	if exist pthreadV*.dll copy pthreadV*.dll "$(DLLDEST)"
+	if exist pthreadV*.lib copy pthreadV*.lib "$(LIBDEST)"
+	copy _ptw32.h "$(HDRDEST)"
+	copy pthread.h "$(HDRDEST)"
+	copy sched.h "$(HDRDEST)"
+	copy semaphore.h "$(HDRDEST)"
 
 $(DLLS): $(DLL_OBJS)
 	$(CC) /LDd /Zi $(DLL_OBJS) /link /implib:$*.lib $(XLIBS) /out:$@