diff --git a/Makefile b/Makefile
index 07e728b7..45911ec8 100644
--- a/Makefile
+++ b/Makefile
@@ -2,8 +2,8 @@
 PYVER := 2.4
 PYTHON := python$(PYVER)
 PACKAGE := linkchecker
-NAME = $(shell $(PYTHON) setup.py --name)
-VERSION = $(shell $(PYTHON) setup.py --version)
+NAME := $(shell $(PYTHON) setup.py --name)
+VERSION := $(shell $(PYTHON) setup.py --version)
 PACKAGEDIR = /home/groups/l/li/$(PACKAGE)
 #HTMLDIR=shell1.sourceforge.net:$(PACKAGEDIR)/htdocs
 HTMLDIR=/home/calvin/public_html/linkchecker.sf.net/htdocs
@@ -31,12 +31,12 @@ clean:
 	$(MAKE) -C po clean
 	rm -f linkcheck/HtmlParser/htmlsax.so
 	rm -f linkcheck/HtmlParser/*.output
-	find . -name '*.py[co]' | xargs rm -f
+	find . -name '*.py[co]' -exec rm -f {} \;
 
 distclean: clean cleandeb
 # just to be sure clean also the build dir
 	rm -rf dist build
-	rm -f _$(PACKAGE)_configdata.py* MANIFEST Packages.gz
+	rm -f _$(PACKAGE)_configdata.py MANIFEST Packages.gz
 # clean aborted dist builds and -out files
 	rm -f $(PACKAGE)-out* $(PACKAGE).prof $(PACKAGE)-md5sums.txt
 	rm -rf $(PACKAGE)-$(VERSION)