diff --git a/bsp/lm3s8962/drivers/luminaryif.c b/bsp/lm3s8962/drivers/luminaryif.c
index cc92ac2aad..0c2e4f9293 100644
--- a/bsp/lm3s8962/drivers/luminaryif.c
+++ b/bsp/lm3s8962/drivers/luminaryif.c
@@ -424,6 +424,10 @@ struct pbuf * luminaryif_rx(rt_device_t dev)
         lwip_stats.link.memerr++;
         lwip_stats.link.drop++;
 #endif
+        // 
+        // Enable Ethernet RX Interrupt. 
+        // 
+        EthernetIntEnable(ETH_BASE, ETH_INT_RX); 
     }
 	
     return(p);
diff --git a/bsp/lm3s9b9x/drivers/luminaryif.c b/bsp/lm3s9b9x/drivers/luminaryif.c
index 4511924aa9..4f260dd927 100644
--- a/bsp/lm3s9b9x/drivers/luminaryif.c
+++ b/bsp/lm3s9b9x/drivers/luminaryif.c
@@ -423,6 +423,10 @@ struct pbuf * luminaryif_rx(rt_device_t dev)
         lwip_stats.link.memerr++;
         lwip_stats.link.drop++;
 #endif
+        // 
+        // Enable Ethernet RX Interrupt. 
+        // 
+        EthernetIntEnable(ETH_BASE, ETH_INT_RX); 
     }
 
     return(p);