diff --git a/tools/jfjoch_lite_perf_test.cpp b/tools/jfjoch_lite_perf_test.cpp
index 8fedf7a4..e4bef1c4 100644
--- a/tools/jfjoch_lite_perf_test.cpp
+++ b/tools/jfjoch_lite_perf_test.cpp
@@ -20,7 +20,7 @@ void print_usage(Logger &logger) {
     logger.Info("   -N<num>      Number of image processing threads (default: 8)");
     logger.Info("   -P<txt>      NUMA policy: none|n2g2|n8g4|n8g4_hbm (default: none)");
     logger.Info("   -F{<txt>}    Write file, optional parameter is name (default: lyso_lite_perf_test)");
-    logger.Info("   -X<txt>      Indexing (none|fft|ffbidx), ffbidx is default");
+    logger.Info("   -X<txt>      Indexing (none|fft|fftw|ffbidx), ffbidx is default");
     logger.Info("   -t<num>      Indexing thread pool size (default: 4)");
     logger.Info("   -f<num>      FFT indexing search vectors");
     logger.Info("   -Q           Quick integration");
@@ -70,6 +70,8 @@ int main(int argc, char **argv) {
                     indexing = IndexingAlgorithmEnum::FFT;
                 else if (std::string(optarg) == "ffbidx" || std::string(optarg) == "FFBIDX")
                     indexing = IndexingAlgorithmEnum::FFBIDX;
+                else if (std::string(optarg) == "fftw" || std::string(optarg) == "FFTW")
+                    indexing = IndexingAlgorithmEnum::FFTW;
                 break;
             case 't':
                 indexing_threads = atol(optarg);