--- FRAMEWAVE_1.3.1_SRC/BuildTools/buildscripts/fwbuild.py.orig	2020-08-16 21:42:10.972877391 +0200
+++ FRAMEWAVE_1.3.1_SRC/BuildTools/buildscripts/fwbuild.py	2020-08-21 22:07:28.111946704 +0200
@@ -114,7 +114,7 @@
         self.oEnv['FWVARS'] = self.dctFwVars  # in case of changes to the internal dictionary
     	oProject = self.oEnv.SConscript( join( pthProjectDir, sProjectName+'.sconscript' ),\
                                          src_dir = pthProjectDir,\
-                                         build_dir = pthBuildDir,\
+                                         variant_dir = pthBuildDir,\
                                          duplicate = 0 )
     	if lstDependencies != None:
     		for dep in lstDependencies: