diff --git a/process/JFJochProcess.h b/process/JFJochProcess.h
index 4dafbb4a..755d01ab 100644
--- a/process/JFJochProcess.h
+++ b/process/JFJochProcess.h
@@ -46,7 +46,7 @@ struct ProcessConfig {
     bool rotation_indexing = false;
     bool two_pass_rotation = true;
     bool reuse_rotation_spots = true;
-    int rotation_indexing_image_count = 30;
+    int rotation_indexing_image_count = 100;
     std::optional<CrystalLattice> forced_rotation_lattice;
 
     // Scaling / merging (FullAnalysis). reference_data (from a reference MTZ) also drives the
diff --git a/tools/jfjoch_process.cpp b/tools/jfjoch_process.cpp
index 54e9a025..56011515 100644
--- a/tools/jfjoch_process.cpp
+++ b/tools/jfjoch_process.cpp
@@ -37,7 +37,7 @@ void print_usage() {
     std::cout << std::endl;
 
     std::cout << "  Indexing" << std::endl;
-    std::cout << "   -R, --two-pass-rotation[=num]    Two-pass offline rotation indexing (optional: number of images, default: 30)" << std::endl;
+    std::cout << "   -R, --two-pass-rotation[=num]    Two-pass offline rotation indexing (optional: number of images, default: 100)" << std::endl;
     std::cout << "   --single-pass-rotation[=num]     Use online-like single-pass rotation indexing (optional: min angular range deg)" << std::endl;
     std::cout << "   --redo-rotation-spots            Redo spot finding for two-pass rotation indexing" << std::endl;
     std::cout << "   --force-rotation-lattice <vec>   Force rotation indexer with external lattice (in Angstrom) : \"a0x,a0y,a0z,a1x,a1y,a1z,a2x,a2y,a2z\" (9 floats, skips first pass)" << std::endl;
@@ -274,7 +274,7 @@ int main(int argc, char **argv) {
     bool rotation_indexing = false;
     bool two_pass_rotation = true;
     bool reuse_rotation_spots = true;
-    int rotation_indexing_image_count = 30;
+    int rotation_indexing_image_count = 100;
     std::optional<float> rotation_indexing_range;
     bool run_scaling = false;
     bool global_scaling = false;