diff --git a/eval.py b/eval.py
index f906ed8799cee69d7ac5743a02a6af9f93c5c6e1..594f799dbf850064690fd4a46ffd32ec7f6fa53a 100755
--- a/eval.py
+++ b/eval.py
@@ -24,7 +24,7 @@ def emper_create_env_worker_count(worker_count):
     return f'EMPER_WORKER_COUNT={worker_count}'
 
 
-EMPER_20_WORKER_ENV_CMD = f'env emper_create_env_worker_count(20)'
+EMPER_20_WORKER_ENV_CMD = f'env {emper_create_env_worker_count(20)}'
 GO_20_WORKER_ENV_CMD = 'env GOMAXPROCS=20'
 TOKIO_20_WORKER_ENV_CMD = 'env TOKIO_WORKER_COUNT=20'
 
@@ -175,7 +175,7 @@ EMPER_FLAVORS = {
         'checkout': EMPER_FIRST_CHECKOUT
     },
     '4': {
-        'server_cmd_prefix': f'env emper_create_env_worker_count(4)'
+        'server_cmd_prefix': f'env {emper_create_env_worker_count(4)}'
     },
     '20': {
         'server_cmd_prefix': EMPER_20_WORKER_ENV_CMD