diff --git a/src/option.c b/src/option.c
index 51d6212..a1cddcf 100644
--- a/src/option.c
+++ b/src/option.c
@@ -3231,7 +3231,7 @@
 static char *(p_cot_values[]) = {"menu", "menuone", "longest", "preview", "noinsert", "noselect", NULL};
 #endif
 #ifdef FEAT_SIGNS
-static char *(p_scl_values[]) = {"yes", "no", "auto", NULL};
+static char *(p_scl_values[]) = {"yes", "no", "auto", "number", NULL};
 #endif
 #if defined(MSWIN) && defined(FEAT_TERMINAL)
 static char *(p_twt_values[]) = {"winpty", "conpty", "", NULL};
@@ -13556,6 +13556,12 @@
      int
 signcolumn_on(win_T *wp)
 {
+    // If 'signcolumn' is set to 'number', signs are displayed in the 'number'
+    // column (if present). Otherwise signs are to be displayed in the sign
+    // column.
+    if (*wp->w_p_scl == 'n' && *(wp->w_p_scl + 1) == 'u')
+	return wp->w_buffer->b_signlist != NULL && !wp->w_p_nu && !wp->w_p_rnu;
+
     if (*wp->w_p_scl == 'n')
 	return FALSE;
     if (*wp->w_p_scl == 'y')