diff --git a/src/nix-env/nix-env.cc b/src/nix-env/nix-env.cc
index e68218d1c..a1cd8fd40 100644
--- a/src/nix-env/nix-env.cc
+++ b/src/nix-env/nix-env.cc
@@ -1057,6 +1057,7 @@ static void opQuery(Globals & globals, Strings opFlags, Strings opArgs)
     /* Print the desired columns, or XML output. */
     if (jsonOutput) {
         queryJSON(globals, elems, printOutPath, printMeta);
+        cout << '\n';
         return;
     }