diff --git a/src/cas/build/singleThread/Makefile.Unix b/src/cas/build/singleThread/Makefile.Unix
index 10726ac93..73b28f739 100644
--- a/src/cas/build/singleThread/Makefile.Unix
+++ b/src/cas/build/singleThread/Makefile.Unix
@@ -14,7 +14,7 @@ include $(TOP)/config/CONFIG_BASE
 #
 # Too many errors from sun's include files
 #
-#CXXCMPLR = STRICT
+CXXCMPLR = STRICT
 
 USR_INCLUDES = -I$(SRC) -I$(IOSRC) -I$(STSRC) -I$(CA)