diff --git a/tests/hghave.py b/tests/hghave.py
--- a/tests/hghave.py
+++ b/tests/hghave.py
@@ -708,6 +708,12 @@
         import curses
 
         curses.COLOR_BLUE
+
+        # Windows doesn't have a `tic` executable, but the windows_curses
+        # package is sufficient to run the tests without it.
+        if os.name == 'nt':
+            return True
+
         return matchoutput('test -x "`which tic`"', br'')
     except (ImportError, AttributeError):
         return False