diff --git a/app/log.py b/app/log.py
index fd0ed5f..80e95b2 100644
--- a/app/log.py
+++ b/app/log.py
@@ -76,7 +76,7 @@ def log_uncaught_exceptions(_ex_cls, ex, tb):
     logging.critical(''.join(traceback.format_tb(tb)))
     print("\033[1;37;40m")
     print(stackprinter.format(ex, style="darkbg2", add_summary=True))
-    if os.environ["MM_ENV"] != "DEVELOPMENT":
+    if os.environ["MM_ENV"] == "PRODUCTION":
         msg = stackprinter.format(ex)
         send_mail(Config.ERRORS_TO, Config.ERRORS_FROM,
                   "Exception from musicmuster", msg)
diff --git a/app/musicmuster.py b/app/musicmuster.py
index cce7763..df01f68 100755
--- a/app/musicmuster.py
+++ b/app/musicmuster.py
@@ -3,6 +3,7 @@
 from log import log
 from os.path import basename
 import argparse
+import os
 import stackprinter                         # type: ignore
 import subprocess
 import sys
@@ -1965,11 +1966,12 @@ if __name__ == "__main__":
             engine.dispose()
             sys.exit(status)
         except Exception as exc:
-            from helpers import send_mail
+            if os.environ["MM_ENV"] == "PRODUCTION":
+                from helpers import send_mail
 
-            msg = stackprinter.format(exc)
-            send_mail(Config.ERRORS_TO, Config.ERRORS_FROM,
-                      "Exception from musicmuster", msg)
+                msg = stackprinter.format(exc)
+                send_mail(Config.ERRORS_TO, Config.ERRORS_FROM,
+                          "Exception from musicmuster", msg)
 
             print("\033[1;31;47mUnhandled exception starts")
             stackprinter.show(style="darkbg")