diff --git a/share/functions/__fish_anypython.fish b/share/functions/__fish_anypython.fish
index 67e094586..edbeecdd3 100644
--- a/share/functions/__fish_anypython.fish
+++ b/share/functions/__fish_anypython.fish
@@ -1,9 +1,18 @@
 function __fish_anypython
     # Try python3 first, because that's usually faster and generally nicer.
+    # Do not consider the stub /usr/bin/python3 that comes installed on Darwin to be Python
+    # unless Xcode reports a real directory path.
     for py in python3 python3.{9,8,7,6,5,4,3} python2 python2.7 python
-        command -sq $py
-        and echo $py
-        and return 0
+        if set -l py_path (command -s $py)
+            if string match -q /usr/bin/python3 -- $py_path
+                and string match -q Darwin -- "$(uname)"
+                and type -q xcode-select
+                and not xcode-select --print-path &>/dev/null
+                continue
+            end
+            echo $py
+            return 0
+        end
     end
     # We have no python.
     return 1