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-rw-r--r--src/nix-env/nix-env.cc2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/nix-env/nix-env.cc b/src/nix-env/nix-env.cc
index 97e66cbd937e..1440b7744fd6 100644
--- a/src/nix-env/nix-env.cc
+++ b/src/nix-env/nix-env.cc
@@ -1284,6 +1284,8 @@ static void opDeleteGenerations(Globals & globals, Strings opFlags, Strings opAr
         deleteOldGenerations(globals.profile, globals.dryRun);
     } else if (opArgs.size() == 1 && opArgs.front().find('d') != string::npos) {
         deleteGenerationsOlderThan(globals.profile, opArgs.front(), globals.dryRun);
+    } else if (opArgs.size() == 1 && opArgs.front().find('+') != string::npos) {
+        deleteGenerationsGreaterThan(globals.profile, opArgs.front(), globals.dryRun);
     } else {
         std::set<unsigned int> gens;
         for (auto & i : opArgs) {