diff --git a/src/lib/formats/victor9k_dsk.cpp b/src/lib/formats/victor9k_dsk.cpp
index 56494094dad..bce82cdf028 100644
--- a/src/lib/formats/victor9k_dsk.cpp
+++ b/src/lib/formats/victor9k_dsk.cpp
@@ -387,7 +387,7 @@ const int victor9k_format::speed_zone[2][80] =
 
 const int victor9k_format::rpm[9] =
 {
-	252, 267, 283, 300, 320, 342, 368, 401, 417
+	252, 267, 283, 300, 321, 342, 368, 401, 417
 };
 
 bool victor9k_format::save(io_generic *io, floppy_image *image)
diff --git a/src/mame/machine/victor9k_fdc.cpp b/src/mame/machine/victor9k_fdc.cpp
index 157df8edc7c..0f5184b64f6 100644
--- a/src/mame/machine/victor9k_fdc.cpp
+++ b/src/mame/machine/victor9k_fdc.cpp
@@ -565,6 +565,8 @@ void victor_9000_fdc_t::update_stepper_motor(floppy_image_device *floppy, int st
 		floppy->stp_w(1);
 		floppy->stp_w(0);
 	}
+
+	floppy->set_rpm(victor9k_format::get_rpm(m_side, floppy->get_cyl()));
 }
 
 void victor_9000_fdc_t::update_spindle_motor(floppy_image_device *floppy, emu_timer *t_tach, bool start, bool stop, bool sel, UINT8 &da)