diff --git a/src/htmlgen.cpp b/src/htmlgen.cpp
index a2dd473..dadbb4f 100644
--- a/src/htmlgen.cpp
+++ b/src/htmlgen.cpp
@@ -1952,11 +1952,6 @@ static void endQuickIndexItem(FTextStream &t,const char *l)
   t << "</li>\n";
 }
 
-static QCString fixSpaces(const QCString &s)
-{
-  return substitute(s," ","&#160;");
-}
-
 static bool quickLinkVisible(LayoutNavEntry::Kind kind)
 {
   static bool showFiles = Config_getBool("SHOW_FILES");
diff --git a/src/index.h b/src/index.h
index 150d23f..ace3614 100644
--- a/src/index.h
+++ b/src/index.h
@@ -284,5 +284,6 @@ void initNamespaceMemberIndices();
 void addClassMemberNameToIndex(MemberDef *md);
 void addFileMemberNameToIndex(MemberDef *md);
 void addNamespaceMemberNameToIndex(MemberDef *md);
+QCString fixSpaces(const QCString &s);
 
 #endif