diff --git a/Lib/slapdtest/_slapdtest.py b/Lib/slapdtest/_slapdtest.py
index 484eb54..adcccb8 100644
--- a/Lib/slapdtest/_slapdtest.py
+++ b/Lib/slapdtest/_slapdtest.py
@@ -254,7 +254,7 @@ def _find_command(self, cmd, in_sbin=False):
         if command is None:
             raise ValueError(
                 "Command '{}' not found. Set the {} environment variable to "
-                "override slapdtest's search path.".format(value, var_name)
+                "override slapdtest's search path.".format(cmd, var_name)
             )
         return command