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-rw-r--r--src/nix-store/dotgraph.hh6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/nix-store/dotgraph.hh b/src/nix-store/dotgraph.hh
index 9effa5a884bd..2318e2fde48d 100644
--- a/src/nix-store/dotgraph.hh
+++ b/src/nix-store/dotgraph.hh
@@ -1,8 +1,12 @@
 #ifndef __DOTGRAPH_H
 #define __DOTGRAPH_H
 
-#include "util.hh"
+#include "types.hh"
+
+namespace nix {
 
 void printDotGraph(const PathSet & roots);
 
+}
+
 #endif /* !__DOTGRAPH_H */