diff --git a/package-lock.json b/package-lock.json
index c4bc3b26fd..52c9e6913a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "origintrail_node",
-    "version": "6.0.18",
+    "version": "6.0.18+hotfix.1",
     "lockfileVersion": 2,
     "requires": true,
     "packages": {
         "": {
             "name": "origintrail_node",
-            "version": "6.0.18",
+            "version": "6.0.18+hotfix.1",
             "license": "ISC",
             "dependencies": {
                 "@comunica/query-sparql": "^2.4.3",
diff --git a/package.json b/package.json
index 11eec6e27d..3880e01230 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "origintrail_node",
-    "version": "6.0.18",
+    "version": "6.0.18+hotfix.1",
     "description": "OTNode V6",
     "main": "index.js",
     "type": "module",
diff --git a/src/commands/protocols/common/submit-commit-command.js b/src/commands/protocols/common/submit-commit-command.js
index e4871b4465..e8534b0ee2 100644
--- a/src/commands/protocols/common/submit-commit-command.js
+++ b/src/commands/protocols/common/submit-commit-command.js
@@ -71,7 +71,10 @@ class SubmitCommitCommand extends Command {
                 epoch,
                 stateIndex,
                 (result) => {
-                    if (result?.error && !result.error.includes('NodeAlreadySubmittedCommit')) {
+                    if (
+                        result?.error &&
+                        !result.error.message.includes('NodeAlreadySubmittedCommit')
+                    ) {
                         reject(result.error);
                     }
                     resolve();
diff --git a/src/commands/protocols/common/submit-proofs-command.js b/src/commands/protocols/common/submit-proofs-command.js
index e59e4ace28..7e26edf5c5 100644
--- a/src/commands/protocols/common/submit-proofs-command.js
+++ b/src/commands/protocols/common/submit-proofs-command.js
@@ -132,7 +132,7 @@ class SubmitProofsCommand extends Command {
                 leaf,
                 stateIndex,
                 (result) => {
-                    if (result?.error && !result.error.includes('NodeAlreadyRewarded')) {
+                    if (result?.error && !result.error.message.includes('NodeAlreadyRewarded')) {
                         reject(result.error);
                     }
                     resolve();