diff --git a/rigs/kenwood/ts590.c b/rigs/kenwood/ts590.c
index 4ed0c94af..49557657d 100644
--- a/rigs/kenwood/ts590.c
+++ b/rigs/kenwood/ts590.c
@@ -1922,6 +1922,7 @@ struct rig_caps ts590_caps =
     .get_mem =  kenwood_get_mem,
     .vfo_ops = TS590_VFO_OPS,
     .vfo_op =  kenwood_vfo_op,
+    .morse_qsize = 24,
     .hamlib_check_rig_caps = HAMLIB_CHECK_RIG_CAPS
 };
 
@@ -2352,5 +2353,6 @@ struct rig_caps ts590sg_caps =
     .get_mem =  kenwood_get_mem,
     .vfo_ops = TS590_VFO_OPS,
     .vfo_op =  kenwood_vfo_op,
+    .morse_qsize = 24,
     .hamlib_check_rig_caps = HAMLIB_CHECK_RIG_CAPS
 };
diff --git a/rigs/kenwood/ts890s.c b/rigs/kenwood/ts890s.c
index 32d8c4533..db03f4368 100644
--- a/rigs/kenwood/ts890s.c
+++ b/rigs/kenwood/ts890s.c
@@ -720,5 +720,6 @@ struct rig_caps ts890s_caps =
     .get_func = ts890_get_func,
     .get_clock = kenwood_get_clock,
     .set_clock = kenwood_set_clock,
+    .morse_qsize = 24,
     .hamlib_check_rig_caps = HAMLIB_CHECK_RIG_CAPS
 };
diff --git a/rigs/kenwood/ts990s.c b/rigs/kenwood/ts990s.c
index 0deda6bed..1ffcafd73 100644
--- a/rigs/kenwood/ts990s.c
+++ b/rigs/kenwood/ts990s.c
@@ -382,6 +382,7 @@ struct rig_caps ts990s_caps =
     .reset =  kenwood_reset,
     .get_clock = kenwood_get_clock,
     .set_clock = kenwood_set_clock,
+    .morse_qsize = 24,
     .hamlib_check_rig_caps = HAMLIB_CHECK_RIG_CAPS
 };