diff --git a/yarn-project/acir-simulator/src/client/simulator.ts b/yarn-project/acir-simulator/src/client/simulator.ts
index 5a7003c02a6..b07b156319f 100644
--- a/yarn-project/acir-simulator/src/client/simulator.ts
+++ b/yarn-project/acir-simulator/src/client/simulator.ts
@@ -22,7 +22,7 @@ import { UnconstrainedFunctionExecution } from './unconstrained_execution.js';
  * The ACIR simulator.
  */
 export class AcirSimulator {
-  private static solver: WasmBlackBoxFunctionSolver; // ACVM's backend
+  private static solver: Promise<WasmBlackBoxFunctionSolver>; // ACVM's backend
   private log: DebugLogger;
 
   constructor(private db: DBOracle) {
@@ -42,8 +42,8 @@ export class AcirSimulator {
    *
    * @returns ACVM WasmBlackBoxFunctionSolver
    */
-  public static async getSolver(): Promise<WasmBlackBoxFunctionSolver> {
-    if (!this.solver) this.solver = await createBlackBoxSolver();
+  public static getSolver(): Promise<WasmBlackBoxFunctionSolver> {
+    if (!this.solver) this.solver = createBlackBoxSolver();
     return this.solver;
   }
 
diff --git a/yarn-project/sequencer-client/src/sequencer/sequencer.ts b/yarn-project/sequencer-client/src/sequencer/sequencer.ts
index 8f4afb9cc23..319c58b1fa5 100644
--- a/yarn-project/sequencer-client/src/sequencer/sequencer.ts
+++ b/yarn-project/sequencer-client/src/sequencer/sequencer.ts
@@ -129,10 +129,11 @@ export class Sequencer {
         return;
       }
 
-      this.log(`Processing ${validTxs.length} txs...`);
+      const blockNumber = (await this.l2BlockSource.getBlockNumber()) + 1;
+
+      this.log.info(`Building block ${blockNumber} with ${validTxs.length} transactions...`);
       this.state = SequencerState.CREATING_BLOCK;
 
-      const blockNumber = (await this.l2BlockSource.getBlockNumber()) + 1;
       const newGlobalVariables = await this.globalsBuilder.buildGlobalVariables(new Fr(blockNumber));
       const prevGlobalVariables = (await this.l2BlockSource.getL2Block(-1))?.globalVariables ?? GlobalVariables.empty();