diff --git a/sys/i386/isa/isa_compat.h b/sys/i386/isa/isa_compat.h
index 30c96fd20a0d..6f038932c311 100644
--- a/sys/i386/isa/isa_compat.h
+++ b/sys/i386/isa/isa_compat.h
@@ -175,7 +175,7 @@ static struct old_isa_driver old_drivers[] = {
 #if NLABPC > 0
 	{ INTR_TYPE_TTY, &labpcdriver },
 #endif
-#if NRCD > 0
+#if NRC > 0
 	{ INTR_TYPE_TTY, &rcdriver },
 #endif
 #if NRP > 0