diff --git a/Cargo.lock b/Cargo.lock
index 8ed6e52e8be..58efefb6efe 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2027,7 +2027,7 @@ dependencies = [
 
 [[package]]
 name = "mithril-aggregator"
-version = "0.2.37"
+version = "0.2.38"
 dependencies = [
  "async-trait",
  "chrono",
diff --git a/mithril-aggregator/Cargo.toml b/mithril-aggregator/Cargo.toml
index 485a5f20aa1..369f6ae60e8 100644
--- a/mithril-aggregator/Cargo.toml
+++ b/mithril-aggregator/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mithril-aggregator"
-version = "0.2.37"
+version = "0.2.38"
 description = "A Mithril Aggregator server"
 authors = { workspace = true }
 edition = { workspace = true }
diff --git a/mithril-aggregator/src/runtime/state_machine.rs b/mithril-aggregator/src/runtime/state_machine.rs
index d4295e4d6e3..4fad7538389 100644
--- a/mithril-aggregator/src/runtime/state_machine.rs
+++ b/mithril-aggregator/src/runtime/state_machine.rs
@@ -271,7 +271,7 @@ impl AggregatorRuntime {
         let multi_signature = self.runner.create_multi_signature().await?;
 
         let multi_signature = if multi_signature.is_none() {
-            return Err(RuntimeError::Critical {
+            return Err(RuntimeError::KeepState {
                 message: "not enough signature yet to aggregate a multi-signature, waiting…"
                     .to_string(),
                 nested_error: None,