diff -ur bm-2.1/BuildManager/build.py bm-2.1.acme/BuildManager/build.py
--- bm-2.1/BuildManager/build.py	2003-11-20 15:37:22.000000000 -0200
+++ bm-2.1.acme/BuildManager/build.py	2004-01-17 14:58:57.843281631 -0200
@@ -198,9 +198,9 @@
                 tmppath = " --define '_tmppath %s/BUILDROOT'" % pkg.builddir
             else:
                 tmppath = ""
-            cmd = "rpm -b%s --define '_topdir %s'%s %s %s 2>&1" % \
+            cmd = "rpmbuild -b%s --define '_topdir %s'%s %s %s 2>&1" % \
                   (stagechar,pkg.builddir,tmppath,passtrough,pkg.spec)
-            logger.debug("rpm command: "+cmd)
+            logger.debug("rpmbuild command: "+cmd)
             if not dryrun:
                 log = open(pkg.log, "w")
                 pop = popen2.Popen3(cmd)