diff --git a/src/emu/xtal.cpp b/src/emu/xtal.cpp
index b8314e22e96..785977399bc 100644
--- a/src/emu/xtal.cpp
+++ b/src/emu/xtal.cpp
@@ -114,6 +114,7 @@ const double XTAL::known_xtals[] = {
 	  5'990'400, /* 5.9904_MHz_XTAL        Luxor ABC 800 keyboard (Keytronic custom part #48-300-008 is equivalent) */
 	  6'000'000, /* 6_MHz_XTAL             American Poker II, Taito SJ System */
 	  6'144'000, /* 6.144_MHz_XTAL         Used on Alpha Denshi early 80's games sound board, Casio FP-200 and Namco Universal System 16 */
+	  6'400'000, /* 6.4_MHz_XTAL           Textel Compact */
 	  6'500'000, /* 6.5_MHz_XTAL           Jupiter Ace */
 	  6'880'000, /* 6.88_MHz_XTAL          Barcrest MPU4 */
 	  6'900'000, /* 6.9_MHz_XTAL           BBN BitGraph CPU */