diff --git a/sys/contrib/ena-com/ena_com.c b/sys/contrib/ena-com/ena_com.c
--- a/sys/contrib/ena-com/ena_com.c
+++ b/sys/contrib/ena-com/ena_com.c
@@ -77,7 +77,7 @@
 #define ENA_MAX_ADMIN_POLL_US 5000
 
 /* PHC definitions */
-#define ENA_PHC_DEFAULT_EXPIRE_TIMEOUT_USEC 20
+#define ENA_PHC_DEFAULT_EXPIRE_TIMEOUT_USEC 10
 #define ENA_PHC_DEFAULT_BLOCK_TIMEOUT_USEC 1000
 #define ENA_PHC_MAX_ERROR_BOUND 0xFFFFFFFF
 #define ENA_PHC_REQ_ID_OFFSET 0xDEAD