diff --git a/plot.c b/plot.c
index d225f32..4008491 100644
--- a/plot.c
+++ b/plot.c
@@ -594,7 +594,7 @@ format_smith_value(char *buf, int len, const float coeff[2], uint32_t frequency)
     break;
 
   case MS_RX:
-    plot_printf(buf, len, "%F"S_OHM"%+Fj", zr, zi);
+    plot_printf(buf, len, "%F%+Fj"S_OHM, zr, zi);
     break;
 
   case MS_RLC:
diff --git a/ui.c b/ui.c
index a0bca5d..a75b724 100644
--- a/ui.c
+++ b/ui.c
@@ -1011,7 +1011,7 @@ const menuitem_t menu_marker_smith[] = {
   { MT_CALLBACK, MS_LIN, "LIN", menu_marker_smith_cb },
   { MT_CALLBACK, MS_LOG, "LOG", menu_marker_smith_cb },
   { MT_CALLBACK, MS_REIM,"Re+Im", menu_marker_smith_cb },
-  { MT_CALLBACK, MS_RX,  "R+Xj", menu_marker_smith_cb },
+  { MT_CALLBACK, MS_RX,  "R+jX", menu_marker_smith_cb },
   { MT_CALLBACK, MS_RLC, "R+L/C", menu_marker_smith_cb },
   { MT_CANCEL, 0, S_LARROW" BACK", NULL },
   { MT_NONE, 0, NULL, NULL } // sentinel