diff --git a/drivers/dp8390/dp8390.c b/drivers/dp8390/dp8390.c
index 6aa36294f..d431fcf4a 100644
--- a/drivers/dp8390/dp8390.c
+++ b/drivers/dp8390/dp8390.c
@@ -245,6 +245,8 @@ int main(int argc, char *argv[])
 		case SYN_ALARM:
 			printf("dp8390: strange, got SYN_ALARM\n");
 			break;
+		case PROC_EVENT:
+			break;
 		default:
 			panic("", "dp8390: illegal message", m.m_type);
 		}
diff --git a/drivers/dpeth/dp.c b/drivers/dpeth/dp.c
index 1aaadee1d..06d43d26f 100644
--- a/drivers/dpeth/dp.c
+++ b/drivers/dpeth/dp.c
@@ -648,6 +648,8 @@ PUBLIC int main(int argc, char **argv)
 	    case FKEY_PRESSED:	/* Function key pressed */
 		do_dump(&m);
 		break;
+	    case PROC_EVENT:
+		break;
 	    default:		/* Invalid message type */
 		panic(DevName, TypeErrMsg, m.m_type);
 		break;