diff --git a/lib/ugui.c3l/src/ugui_font.c3 b/lib/ugui.c3l/src/ugui_font.c3
index 9ababd4..f96a12e 100644
--- a/lib/ugui.c3l/src/ugui_font.c3
+++ b/lib/ugui.c3l/src/ugui_font.c3
@@ -113,10 +113,10 @@ fn void? Font.load(&font, String name, ZString path, uint height, float scale)
 	font.atlas.new(font.id, ATLAS_GRAYSCALE, size, size)!;
 
 // FIXME: this crashes with O1 or greater, why??
-//	// preallocate the ASCII range
-//	for (char c = ' '; c < '~'; c++) {
-//		font.get_glyph((Codepoint)c)!;
-//	}
+	// preallocate the ASCII range
+	for (char c = ' '; c < '~'; c++) {
+		font.get_glyph((Codepoint)c)!;
+	}
 }
 
 fn Glyph*? Font.get_glyph(&font, Codepoint code)