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-rw-r--r--src/nix/main.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/nix/main.cc b/src/nix/main.cc
index dcf351cf4..5454f4b34 100644
--- a/src/nix/main.cc
+++ b/src/nix/main.cc
@@ -104,7 +104,7 @@ struct NixArgs : virtual MultiCommand, virtual MixCommonArgs
"--help-config' for a list of configuration settings.\n";
}
- void printHelp(const string & programName, std::ostream & out)
+ void printHelp(const string & programName, std::ostream & out) override
{
MultiCommand::printHelp(programName, out);