diff --git a/cde/lib/tt/tooltalk.tmpl b/cde/lib/tt/tooltalk.tmpl
index 698a4b068..b23edbbce 100644
--- a/cde/lib/tt/tooltalk.tmpl
+++ b/cde/lib/tt/tooltalk.tmpl
@@ -25,6 +25,8 @@ XCOMM Enable TIRPC for linux hosts with the option enabled
 #ifdef LinuxArchitecture
 # if HasTIRPCLib
 TIRPC_DEFINES = -DOPT_TIRPC
+# else
+TIRPC_DEFINES =
 # endif
 #endif