diff --git a/poetry/utils/shell.py b/poetry/utils/shell.py
index 5a6afb650e1..e883c80fc6e 100644
--- a/poetry/utils/shell.py
+++ b/poetry/utils/shell.py
@@ -58,7 +58,7 @@ def activate(self, env):  # type: (VirtualEnv) -> None
                 self._path, ["-i"], dimensions=(terminal.height, terminal.width)
             )
 
-        if not self._name == "bash":
+        if self._name == "zsh":
             c.setecho(False)
 
         activate_script = self._get_activate_script()