diff --git a/partitions.csv b/partitions.csv
index ec7644f..b90205d 100644
--- a/partitions.csv
+++ b/partitions.csv
@@ -1,6 +1,7 @@
 # Name,   Type, SubType, Offset,  Size, Flags
 # Note: if you have increased the bootloader size, make sure to update the offsets to avoid overlap
+# Total flash size is 16MB
 nvs,      data, nvs,     ,        0x6000,
 phy_init, data, phy,     ,        0x1000,
 factory,  app,  factory, ,        2M,
-sim,      data, undefined,,       0x26000,
+sim,      data, undefined,,       13M,