diff --git a/boards/arm/nucleo_wb55rg/nucleo_wb55rg.yaml b/boards/arm/nucleo_wb55rg/nucleo_wb55rg.yaml
index 4fe58987cc2..a4a8e181077 100644
--- a/boards/arm/nucleo_wb55rg/nucleo_wb55rg.yaml
+++ b/boards/arm/nucleo_wb55rg/nucleo_wb55rg.yaml
@@ -7,7 +7,7 @@ toolchain:
   - gnuarmemb
   - xtools
 ram: 192
-flash: 1024
+flash: 808
 supported:
   - gpio
   - i2c