diff --git a/boards/st/nucleo_l496zg/nucleo_l496zg.yaml b/boards/st/nucleo_l496zg/nucleo_l496zg.yaml
index 0623f3c9001..b9fba4e7853 100644
--- a/boards/st/nucleo_l496zg/nucleo_l496zg.yaml
+++ b/boards/st/nucleo_l496zg/nucleo_l496zg.yaml
@@ -5,7 +5,7 @@ arch: arm
 toolchain:
   - zephyr
   - gnuarmemb
-ram: 320
+ram: 256
 flash: 1024
 supported:
   - arduino_i2c
diff --git a/boards/st/nucleo_l4a6zg/nucleo_l4a6zg.yaml b/boards/st/nucleo_l4a6zg/nucleo_l4a6zg.yaml
index bdc87910a4f..09493d2b217 100644
--- a/boards/st/nucleo_l4a6zg/nucleo_l4a6zg.yaml
+++ b/boards/st/nucleo_l4a6zg/nucleo_l4a6zg.yaml
@@ -5,7 +5,7 @@ arch: arm
 toolchain:
   - zephyr
   - gnuarmemb
-ram: 320
+ram: 256
 flash: 1024
 supported:
   - arduino_i2c
diff --git a/boards/st/stm32l496g_disco/stm32l496g_disco.yaml b/boards/st/stm32l496g_disco/stm32l496g_disco.yaml
index 15301e002c7..e6b153cb0e4 100644
--- a/boards/st/stm32l496g_disco/stm32l496g_disco.yaml
+++ b/boards/st/stm32l496g_disco/stm32l496g_disco.yaml
@@ -6,7 +6,7 @@ toolchain:
   - zephyr
   - gnuarmemb
   - xtools
-ram: 320
+ram: 256
 flash: 1024
 supported:
   - arduino_i2c