diff --git a/configure/RULES b/configure/RULES
index d3cd59ffbbe66580dd4a9df2fee02a9087a985a9..bb9bdf66586005b7ee236b066d48727f6d97fe02 100644
--- a/configure/RULES
+++ b/configure/RULES
@@ -2,6 +2,7 @@
 # include $(EPICS_BASE)/configure/RULES
 
 include $(TOP)/configure/E3/DEFINES_FT
+-include $(TOP)/configure/E3/RULES_PATCH
 include $(TOP)/configure/E3/RULES_E3
 include $(TOP)/configure/E3/RULES_EPICS