diff --git a/tools/tools/nanobsd/defaults.sh b/tools/tools/nanobsd/defaults.sh
--- a/tools/tools/nanobsd/defaults.sh
+++ b/tools/tools/nanobsd/defaults.sh
@@ -104,7 +104,7 @@
 NANO_DRIVE=ada0
 
 # Target media size in 512 bytes sectors
-NANO_MEDIASIZE=2000000
+NANO_MEDIASIZE=16000000
 
 # Number of code images on media (1 or 2)
 NANO_IMAGES=2