diff --git a/src/libutil/util.hh b/src/libutil/util.hh
index 038838820..23d01e9a6 100644
--- a/src/libutil/util.hh
+++ b/src/libutil/util.hh
@@ -150,8 +150,8 @@ void printMsg_(Verbosity level, const FormatOrString & fs);
 
 #define printMsg(level, f) \
     do { \
-        if (level <= verbosity) { \
-            printMsg_(level, (f)); \
+        if (level <= nix::verbosity) { \
+            nix::printMsg_(level, (f)); \
         } \
     } while (0)