2 files changed, 4 insertions, 1 deletions
diff --git a/vis-cmds.c b/vis-cmds.c
index a79bc0e..401d77d 100644
--- a/vis-cmds.c
+++ b/vis-cmds.c
@@ -42,6 +42,7 @@ static bool cmd_set(Vis *vis, Win *win, Command *cmd, const char *argv[], Cursor
 			OPTION_TYPE_STRING,
 			OPTION_TYPE_BOOL,
 			OPTION_TYPE_NUMBER,
+			OPTION_TYPE_UNSIGNED,
 		} type;
 		bool optional;
 		int index;
@@ -134,12 +135,13 @@ static bool cmd_set(Vis *vis, Win *win, Command *cmd, const char *argv[], Cursor
 			arg.b = !arg.b;
 		break;
 	case OPTION_TYPE_NUMBER:
+	case OPTION_TYPE_UNSIGNED:
 		if (!argv[2]) {
 			vis_info_show(vis, "Expecting number");
 			return false;
 		}
 		/* TODO: error checking? long type */
-		arg.i = strtoul(argv[2], NULL, 10);
+		arg.u = strtoul(argv[2], NULL, 10);
 		break;
 	}
 
diff --git a/vis.h b/vis.h
index 1136926..fdc93e2 100644
--- a/vis.h
+++ b/vis.h
@@ -26,6 +26,7 @@ typedef struct {
 typedef union { /* various types of arguments passed to key action functions */
 	bool b;
 	int i;
+	size_t u;
 	const char *s;
 	const void *v;
 	void (*w)(View*);