diff --git a/doc_src/terminal-compatibility.rst b/doc_src/terminal-compatibility.rst
index 3882949ff..d0354f173 100644
--- a/doc_src/terminal-compatibility.rst
+++ b/doc_src/terminal-compatibility.rst
@@ -273,7 +273,7 @@ Optional Commands
          The response's second parameter is ignored.
        * ``query-os-name`` (for :ref:`status terminal-os <status-terminal-os>`)
 
-         Terminals running on Unix should respond with the hex encoding of ``uname=$(uname)`` as second parameter.
+         Terminals running on Unix should respond with the hex encoding of ``$(uname -s)`` as second parameter.
 
 .. _term-compat-dcs-gnu-screen:
 
diff --git a/share/functions/fish_in_macos_terminal.fish b/share/functions/fish_in_macos_terminal.fish
index 2668a0958..02fffa47a 100644
--- a/share/functions/fish_in_macos_terminal.fish
+++ b/share/functions/fish_in_macos_terminal.fish
@@ -1,3 +1,3 @@
 function fish_in_macos_terminal
-    test "$(status terminal-os || echo uname="$(__fish_uname)")" = uname=Darwin
+    test "$(status terminal-os || echo "$(__fish_uname)")" = Darwin
 end