diff --git a/HISTORY b/HISTORY
index 9ed309bb..504571c2 100644
--- a/HISTORY
+++ b/HISTORY
@@ -7637,3 +7637,5 @@ Video Disk Recorder Revision History
   put them in place when writing future comments, so I decided to drop them entirely.
 - Added Doxyfile.filter to have special characters escaped that would otherwise be
   dropped by Doxygen (reported by Ville Skyttä).
+- Using 'cat' instead of 'cp' to copy the Doxyfile to avoid problems in case Doxyfile
+  is write protected.
diff --git a/Makefile b/Makefile
index 94ab132b..db597543 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@
 # See the main source file 'vdr.c' for copyright information and
 # how to reach the author.
 #
-# $Id: Makefile 2.51 2013/02/16 11:21:03 kls Exp $
+# $Id: Makefile 2.52 2013/02/17 11:08:04 kls Exp $
 
 .DELETE_ON_ERROR:
 
@@ -303,7 +303,7 @@ install-pc: vdr.pc
 # Source documentation:
 
 srcdoc:
-	@cp $(DOXYFILE) $(DOXYFILE).tmp
+	@cat $(DOXYFILE) > $(DOXYFILE).tmp
 	@echo PROJECT_NUMBER = $(VDRVERSION) >> $(DOXYFILE).tmp
 	$(DOXYGEN) $(DOXYFILE).tmp
 	@rm $(DOXYFILE).tmp