diff --git a/Makefile b/Makefile
index afe8674..17605d4 100644
--- a/Makefile
+++ b/Makefile
@@ -1459,6 +1459,9 @@
 PMC405_config:	unconfig
 	@$(MKCONFIG) $(@:_config=) ppc ppc4xx pmc405 esd
 
+PMC405DE_config:	unconfig
+	@$(MKCONFIG) $(@:_config=) ppc ppc4xx pmc405de esd
+
 PMC440_config:	unconfig
 	@$(MKCONFIG) $(@:_config=) ppc ppc4xx pmc440 esd