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-rw-r--r--src/nix-store/nix-store.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/nix-store/nix-store.cc b/src/nix-store/nix-store.cc
index 9c4790039ec4..88acc79aa162 100644
--- a/src/nix-store/nix-store.cc
+++ b/src/nix-store/nix-store.cc
@@ -640,7 +640,7 @@ static void opImport(Strings opFlags, Strings opArgs)
     
     FdSource source(STDIN_FILENO);
     while (readInt(source) == 1)
-        cout << format("%1%\n") % store->importPath(false, source);
+        cout << format("%1%\n") % store->importPath(false, source) << std::flush;
 }