diff --git a/cde/lib/tt/slib/Imakefile b/cde/lib/tt/slib/Imakefile
index 86c180f7c..fce522a71 100644
--- a/cde/lib/tt/slib/Imakefile
+++ b/cde/lib/tt/slib/Imakefile
@@ -17,6 +17,10 @@ DEPEND_DEFINES = $(CXXDEPENDINCLUDES)
 DEFINES = 
 INCLUDES = -I. -I../lib
 
+#if defined(LinuxDistribution)
+CXXEXTRA_DEFINES = -fpermissive
+#endif
+
 SRCS = \
 mp_ce_attrs.C		mp_observer.C		   mp_observer_utils.C  \
 mp_otype.C		mp_otype_utils.C	   mp_ptype.C		\