diff --git a/src/ui/window.c b/src/ui/window.c
index 3f751214..0f6e2780 100644
--- a/src/ui/window.c
+++ b/src/ui/window.c
@@ -72,10 +72,7 @@ _win_ensure_pad_capacity(ProfWin* window, WINDOW* win, int lines_needed)
 static int
 _win_estimated_lines(WINDOW* win, const char* const message, int indent, int pad_indent)
 {
-    int usable = getmaxx(win) - (indent + pad_indent);
-    if (usable < 1) {
-        usable = 1;
-    }
+    int usable = MAX(1, getmaxx(win) - (indent + pad_indent));
     int newlines = 0;
     for (const char* p = message; *p; p++) {
         if (*p == '\n') {