diff --git a/src/prefs/keyboard/Jamfile b/src/prefs/keyboard/Jamfile
index 5d882d99f6..40c306aa47 100644
--- a/src/prefs/keyboard/Jamfile
+++ b/src/prefs/keyboard/Jamfile
@@ -1,5 +1,7 @@
 SubDir OBOS_TOP src prefs keyboard ;
 
+SubDirC++Flags -fmultiple-symbol-spaces ;
+
 UsePrivateHeaders input ;
 
 AddResources Keyboard : Keyboard.rdef ;
diff --git a/src/prefs/sounds/Jamfile b/src/prefs/sounds/Jamfile
index e362ee1bc2..055122593a 100644
--- a/src/prefs/sounds/Jamfile
+++ b/src/prefs/sounds/Jamfile
@@ -1,5 +1,7 @@
 SubDir OBOS_TOP src prefs sounds ;
 
+SubDirC++Flags -fmultiple-symbol-spaces ;
+
 AddResources Sounds : Sounds.rdef ;
 
 Preference Sounds :