diff --git a/shrinkwrap/commands/buildall.py b/shrinkwrap/commands/buildall.py
index a7677d0f313fa6b099f76b4255371c09f8365f2f..d5219ccf4ede17e1b45bcbf7a7ad341019bfe9d9 100644
--- a/shrinkwrap/commands/buildall.py
+++ b/shrinkwrap/commands/buildall.py
@@ -60,10 +60,10 @@ def add_common_args(cmdp):
 		metavar='cfgfile', required=False, default=[],
 		action='append',
 		help="""Optional config file overlay to override run-time and
-		     build-time settings. Only entries within the "build" and
-		     "run" sections are used. Applied to all configs being
-		     built. Can be specified multiple times; left-most overlay
-		     is the first overlay applied.""")
+		     build-time settings. Only entries within the "build",
+		     "buildex" and "run" sections are used. Applied to all
+		     configs being built. Can be specified multiple times;
+		     left-most overlay is the first overlay applied.""")
 
 	cmdp.add_argument('-t', '--tasks',
 		required=False, default=dflt_jobs(), metavar='count', type=int,
diff --git a/shrinkwrap/commands/clean.py b/shrinkwrap/commands/clean.py
index 6dd217212ff44532c0b96f300e3e160007e08aee..8089c07def06684d3bbb6e3a0e7bb00904ea1ba5 100644
--- a/shrinkwrap/commands/clean.py
+++ b/shrinkwrap/commands/clean.py
@@ -39,10 +39,10 @@ def add_parser(parser, formatter):
 		metavar='cfgfile', required=False, default=[],
 		action='append',
 		help="""Optional config file overlay to override run-time and
-		     build-time settings. Only entries within the "build" and
-		     "run" sections are used. Applied to all configs being
-		     built. Can be specified multiple times; left-most overlay
-		     is the first overlay applied.""")
+		     build-time settings. Only entries within the "build",
+		     "buildex" and "run" sections are used. Applied to all
+		     configs being built. Can be specified multiple times;
+		     left-most overlay is the first overlay applied.""")
 
 	cmdp.add_argument('-t', '--tasks',
 		required=False, default=dflt_jobs(), metavar='count', type=int,
diff --git a/shrinkwrap/commands/process.py b/shrinkwrap/commands/process.py
index 046829af52d06e4d6e9e8460740cc8812111dd2b..3b9dddb3cba1d148692bcf5726b0ebbf115481a9 100644
--- a/shrinkwrap/commands/process.py
+++ b/shrinkwrap/commands/process.py
@@ -44,9 +44,10 @@ def add_parser(parser, formatter):
 		metavar='cfgfile', required=False, default=[],
 		action='append',
 		help="""Optional config file overlay to override run-time and
-		     build-time settings. Only entries within the "build" and
-		     "run" sections are used. Can be specified multiple times;
-		     left-most overlay is the first overlay applied.""")
+		     build-time settings. Only entries within the "build",
+		     "buildex" and "run" sections are used. Can be specified
+		     multiple times; left-most overlay is the first overlay
+		     applied.""")
 
 	cmdp.add_argument('-b', '--btvar',
 		metavar='key=value', required=False, default=[],
@@ -79,7 +80,11 @@ def dispatch(args):
 	for overlayname in args.overlay:
 		overlay = config.filename(overlayname)
 		overlay = config.load(overlay)
-		overlay = {'build': overlay['build'], 'run': overlay['run']}
+		overlay = {
+			'build': overlay['build'],
+			'buildex': overlay['buildex'],
+			'run': overlay['run'],
+		}
 		overlays.append(overlay)
 
 	filename = config.filename(args.config)
diff --git a/shrinkwrap/utils/config.py b/shrinkwrap/utils/config.py
index d55086cc79dc254be391e5372ec3404cc355872f..46e190762e919c62df2b0afc3c04cb7df8f0ea91 100644
--- a/shrinkwrap/utils/config.py
+++ b/shrinkwrap/utils/config.py
@@ -719,7 +719,11 @@ def load_all(names, overlaynames=[]):
 	for overlayname in overlaynames:
 		overlay = filename(overlayname)
 		overlay = load(overlay)
-		overlay = {'build': overlay['build'], 'run': overlay['run']}
+		overlay = {
+			'build': overlay['build'],
+			'buildex': overlay['buildex'],
+			'run': overlay['run'],
+		}
 		overlays.append(overlay)
 
 	for name in names: