diff --git a/tests/integration/nodeprocess.nim b/tests/integration/nodeprocess.nim
index 3fbb4445..d5200a2f 100644
--- a/tests/integration/nodeprocess.nim
+++ b/tests/integration/nodeprocess.nim
@@ -116,7 +116,7 @@ proc startNode*[T: NodeProcess](
   await node.start()
   return node
 
-method stop*(node: NodeProcess) {.base, async.} =
+method stop*(node: NodeProcess, expectedErrCode: int = -1) {.base, async.} =
   logScope:
     nodeName = node.name
 
@@ -137,7 +137,9 @@ method stop*(node: NodeProcess) {.base, async.} =
         fatal "could not get exit code from process", error
         return
 
-      if exitCode > 0 and exitCode != 143: # 143 = SIGTERM (initiated above)
+      if exitCode > 0 and
+         exitCode != 143 and # 143 = SIGTERM (initiated above)
+         exitCode != expectedErrCode:
         error "failed to exit process, check for zombies", exitCode
 
     except CancelledError as error:
diff --git a/tests/integration/testcli.nim b/tests/integration/testcli.nim
index ef2a9df2..eaaf2810 100644
--- a/tests/integration/testcli.nim
+++ b/tests/integration/testcli.nim
@@ -8,6 +8,8 @@ import ./nodeprocess
 import ./utils
 import ../examples
 
+const HardhatPort {.intdefine.}: int = 8545
+
 asyncchecksuite "Command line interface":
   let key = "4242424242424242424242424242424242424242424242424242424242424242"
 
@@ -29,16 +31,22 @@ asyncchecksuite "Command line interface":
   test "complains when persistence is enabled without ethereum account":
     let node = await startCodex(@["persistence"])
     await node.waitUntilOutput("Persistence enabled, but no Ethereum account was set")
-    await node.stop()
+    await node.stop(expectedErrCode = 1)
 
   test "complains when ethereum private key file has wrong permissions":
     let unsafeKeyFile = genTempPath("", "")
     discard unsafeKeyFile.writeFile(key, 0o666)
-    let node = await startCodex(@["persistence", "--eth-private-key=" & unsafeKeyFile])
+    let node = await startCodex(
+      @[
+        "persistence",
+        "--eth-provider=" & "http://127.0.0.1:" & $HardhatPort,
+        "--eth-private-key=" & unsafeKeyFile
+      ]
+    )
     await node.waitUntilOutput(
       "Ethereum private key file does not have safe file permissions"
     )
-    await node.stop()
+    await node.stop(expectedErrCode = 1)
     discard removeFile(unsafeKeyFile)
 
   let
@@ -49,25 +57,27 @@ asyncchecksuite "Command line interface":
   test "suggests downloading of circuit files when persistence is enabled without accessible r1cs file":
     let node = await startCodex(@["persistence", "prover", marketplaceArg])
     await node.waitUntilOutput(expectedDownloadInstruction)
-    await node.stop()
+    await node.stop(expectedErrCode = 1)
 
   test "suggests downloading of circuit files when persistence is enabled without accessible wasm file":
-    let node = await startCodex(
-      @[
-        "persistence", "prover", marketplaceArg,
-        "--circom-r1cs=tests/circuits/fixtures/proof_main.r1cs"
-      ]
-    )
+  let node = await startCodex(@[
+    "persistence",ß
+    "--eth-provider=" & "http://127.0.0.1:" & $HardhatPort,
+    "prover",
+    marketplaceArg,
+    "--circom-r1cs=tests/circuits/fixtures/proof_main.r1cs"
+  ])
     await node.waitUntilOutput(expectedDownloadInstruction)
-    await node.stop()
+    await node.stop(expectedErrCode = 1)
 
   test "suggests downloading of circuit files when persistence is enabled without accessible zkey file":
-    let node = await startCodex(
-      @[
-        "persistence", "prover", marketplaceArg,
-        "--circom-r1cs=tests/circuits/fixtures/proof_main.r1cs",
-        "--circom-wasm=tests/circuits/fixtures/proof_main.wasm"
-      ]
-    )
+    let node = await startCodex(@[
+      "persistence",
+      "--eth-provider=" & "http://127.0.0.1:" & $HardhatPort,
+      "prover",
+      marketplaceArg,
+      "--circom-r1cs=tests/circuits/fixtures/proof_main.r1cs",
+      "--circom-wasm=tests/circuits/fixtures/proof_main.wasm"
+    ])
     await node.waitUntilOutput(expectedDownloadInstruction)
-    await node.stop()
+    await node.stop(expectedErrCode = 1)