diff --git a/cde/programs/dtmail/dtmail/Imakefile b/cde/programs/dtmail/dtmail/Imakefile
index 210abd55e..af5d37158 100644
--- a/cde/programs/dtmail/dtmail/Imakefile
+++ b/cde/programs/dtmail/dtmail/Imakefile
@@ -16,6 +16,10 @@ DEFINES = -DRELEASE_NOTES -DDTMAIL_TOOLTALK -DDTEDITOR DtMailDefines
 DEPLIBS = ../MotifApp/libMotifApp.a ../libDtMail/libDtMail.a DepDtClientLibs
 LOCAL_LIBRARIES = ../libDtMail/libDtMail.a ../MotifApp/libMotifApp.a DtClientLibs
 
+#if defined(LinuxDistribution)
+CXXEXTRA_DEFINES = -fpermissive
+#endif
+
 /* Sun needs the widechar library */
 #ifdef SunArchitecture
 SYS_LIBRARIES =	$(DYNLIBSYSLIB) $(ICONVSYSLIB) $(REGEXSYSLIB) -lw -lm