diff --git a/posix.mak b/posix.mak
index 99d57b2999..ca1ddb75fa 100644
--- a/posix.mak
+++ b/posix.mak
@@ -77,7 +77,7 @@ ifeq (solaris,$(OS))
 endif
 
 # Set DFLAGS
-UDFLAGS:=-conf= -Isrc -Iimport -w -dip1000 -preview=fieldwise $(MODEL_FLAG) $(PIC) $(OPTIONAL_COVERAGE)
+UDFLAGS:=-conf= -Isrc -Iimport -w -de -dip1000 -preview=fieldwise $(MODEL_FLAG) $(PIC) $(OPTIONAL_COVERAGE)
 ifeq ($(BUILD),debug)
 	UDFLAGS += -g -debug
 	DFLAGS:=$(UDFLAGS)