diff --git a/proxy/environment.py b/proxy/environment.py
index 0c639a515..ec49247b9 100644
--- a/proxy/environment.py
+++ b/proxy/environment.py
@@ -1,3 +1,4 @@
+import sys
 from decimal import Decimal
 import json
 import os
@@ -5,7 +6,7 @@
 from logged_groups import logged_group, LogMng
 from solana.publickey import PublicKey
 from solana.account import Account as SolanaAccount
-from typing import Optional
+from typing import Optional, List
 
 SOLANA_URL = os.environ.get("SOLANA_URL", "http://localhost:8899")
 PP_SOLANA_URL = os.environ.get("PP_SOLANA_URL", SOLANA_URL)
@@ -45,15 +46,26 @@
 GET_WHITE_LIST_BALANCE_MAX_RETRIES = int(os.environ.get("GET_WHITE_LIST_BALANCE_MAX_RETRIES", 3))
 GET_WHITE_LIST_BALANCE_RETRY_INTERVAL_S = int(os.environ.get("GET_WHITE_LIST_BALANCE_RETRY_INTERVAL_S", 1))
 
+
+class CliBase:
+
+    def run_cli(self, cmd: List[str], **kwargs) -> bytes:
+        self.debug("Calling: " + " ".join(cmd))
+        proc_result = subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, **kwargs)
+        if proc_result.stderr is not None:
+            print(proc_result.stderr, file=sys.stderr)
+        return proc_result.stdout
+
+
 @logged_group("neon.Proxy")
-class solana_cli:
+class solana_cli(CliBase):
     def call(self, *args):
         try:
             cmd = ["solana",
                    "--url", SOLANA_URL,
                    ] + list(args)
             self.debug("Calling: " + " ".join(cmd))
-            return subprocess.check_output(cmd, universal_newlines=True)
+            return self.run_cli(cmd, universal_newlines=True)
         except subprocess.CalledProcessError as err:
             self.error("ERR: solana error {}".format(err))
             raise
@@ -101,7 +113,8 @@ def read_sol_account(name) -> Optional[SolanaAccount]:
 
 
 @logged_group("neon.Proxy")
-class neon_cli:
+class neon_cli(CliBase):
+
     def call(self, *args):
         try:
             ctx = json.dumps(LogMng.get_logging_context())
@@ -113,18 +126,15 @@ def call(self, *args):
                    ]\
                   + (["-vvv"] if LOG_NEON_CLI_DEBUG else [])\
                   + list(args)
-            self.debug("Calling: " + " ".join(cmd))
-            return subprocess.check_output(cmd, timeout=neon_cli_timeout, universal_newlines=True)
+            return self.run_cli(cmd, timeout=neon_cli_timeout, universal_newlines=True)
         except subprocess.CalledProcessError as err:
             self.error("ERR: neon-cli error {}".format(err))
             raise
 
     def version(self):
         try:
-            cmd = ["neon-cli",
-                   "--version"]
-            self.debug("Calling: " + " ".join(cmd))
-            return subprocess.check_output(cmd, timeout=neon_cli_timeout, universal_newlines=True).split()[1]
+            cmd = ["neon-cli", "--version"]
+            return self.run_cli(cmd, timeout=neon_cli_timeout, universal_newlines=True).split()[1]
         except subprocess.CalledProcessError as err:
             self.error("ERR: neon-cli error {}".format(err))
             raise