diff --git a/src/add-ons/input_server/methods/canna/Jamfile b/src/add-ons/input_server/methods/canna/Jamfile
index 0ea4af5197..8268e70c0c 100644
--- a/src/add-ons/input_server/methods/canna/Jamfile
+++ b/src/add-ons/input_server/methods/canna/Jamfile
@@ -1,5 +1,7 @@
 SubDir OBOS_TOP src add-ons input_server methods canna ;
 
+#SubDirC++Flags -fmultiple-symbol-spaces ;
+
 Addon canna : input_server/methods : 
 	CannaInterface.cpp
 	CannaLooper.cpp