diff --git a/repls/subprocess_repl.py b/repls/subprocess_repl.py
index 78917fc1..fbdb1023 100644
--- a/repls/subprocess_repl.py
+++ b/repls/subprocess_repl.py
@@ -143,7 +143,7 @@ def getenv(self, settings):
             try:
                 output = subprocess.check_output(getenv_command)
                 lines = output.decode("utf-8", errors="replace").splitlines()
-                env = dict(line.split('=', 1)  for line in lines)
+                env = dict(line.split('=', 1) for line in lines if '=' in line)
                 return env
             except:
                 import traceback