diff --git a/Tools/scripts/build_tests/test_ccache.py b/Tools/scripts/build_tests/test_ccache.py
index 740390e006..884c3282e4 100755
--- a/Tools/scripts/build_tests/test_ccache.py
+++ b/Tools/scripts/build_tests/test_ccache.py
@@ -44,7 +44,7 @@ def ccache_stats():
 
 
 def build_board(boardname):
-    subprocess.run(["./waf", "configure", "--board", boardname])
+    subprocess.run(["./waf", "configure", "--board", boardname, '--disable-networking'])
     subprocess.run(["./waf", "clean", "copter"])