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-rw-r--r--nix/libutil/archive.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/nix/libutil/archive.cc b/nix/libutil/archive.cc
index 6856ea0f28..4e3d99356a 100644
--- a/nix/libutil/archive.cc
+++ b/nix/libutil/archive.cc
@@ -256,7 +256,7 @@ static void parse(ParseSink & sink, Source & source, const Path & path)
if (i != names.end()) {
printMsg(lvlDebug, format("case collision between `%1%' and `%2%'") % i->first % name);
name += caseHackSuffix;
- name += int2String(++i->second);
+ name += std::to_string(++i->second);
} else
names[name] = 0;
}