diff --git a/features/netsocket/emac-drivers/TARGET_STM_EMAC/mbed_lib.json b/features/netsocket/emac-drivers/TARGET_STM_EMAC/mbed_lib.json
index 39ae08e4a4..f3215d7674 100644
--- a/features/netsocket/emac-drivers/TARGET_STM_EMAC/mbed_lib.json
+++ b/features/netsocket/emac-drivers/TARGET_STM_EMAC/mbed_lib.json
@@ -6,7 +6,7 @@
     },
     "target_overrides": {
         "NUCLEO_F207ZG": {
-            "eth-rxbufnb": 1,
+            "eth-rxbufnb": 2,
             "eth-txbufnb": 4
         }
     }