diff --git a/broker/JFJochStateMachine.cpp b/broker/JFJochStateMachine.cpp
index 924c5f60..d14cfeeb 100644
--- a/broker/JFJochStateMachine.cpp
+++ b/broker/JFJochStateMachine.cpp
@@ -21,10 +21,13 @@ JFJochStateMachine::JFJochStateMachine(const DiffractionExperiment& in_experimen
           pixel_mask_statistics({0, 0, 0}),
           gpu_count(get_gpu_count()) {
 
-    indexing_possible =  (get_gpu_count() >= 0);
+#ifndef JFJOCH_USE_FFTW
+    indexing_possible = (get_gpu_count() > 0);
     if (!indexing_possible)
         data_processing_settings.indexing = false;
-
+#else
+    data_processing_settings.indexing = true;
+#endif
     SupressTIFFErrors();
 }