1 files changed, 7 insertions, 2 deletions
diff --git a/src/libutil/logging.cc b/src/libutil/logging.cc
index d9e8d22d7685..afcc2ec58543 100644
--- a/src/libutil/logging.cc
+++ b/src/libutil/logging.cc
@@ -3,7 +3,12 @@
 
 namespace nix {
 
-Logger * logger = 0;
+Logger * logger = makeDefaultLogger();
+
+void Logger::warn(const std::string & msg)
+{
+    log(lvlInfo, ANSI_RED "warning:" ANSI_NORMAL " " + msg);
+}
 
 class SimpleLogger : public Logger
 {
@@ -52,7 +57,7 @@ Verbosity verbosity = lvlInfo;
 void warnOnce(bool & haveWarned, const FormatOrString & fs)
 {
     if (!haveWarned) {
-        printError(format("warning: %1%") % fs.s);
+        warn(fs.s);
         haveWarned = true;
     }
 }