diff --git a/tools/jfjoch_process.cpp b/tools/jfjoch_process.cpp
index b1585eec..eb40d120 100644
--- a/tools/jfjoch_process.cpp
+++ b/tools/jfjoch_process.cpp
@@ -183,9 +183,10 @@ int main(int argc, char **argv) {
 
     auto start_time = std::chrono::steady_clock::now();
 
+    IndexAndRefine indexer(experiment, &indexer_pool);
+
     auto worker = [&](int thread_id) {
         // Thread-local analysis resources
-        IndexAndRefine indexer(experiment, &indexer_pool);
         MXAnalysisWithoutFPGA analysis(experiment, mapping, pixel_mask, indexer);
 
         std::vector<uint8_t> decomp_buffer;