diff --git a/src/draw.c b/src/draw.c
index 2d8c816..3edfd85 100644
--- a/src/draw.c
+++ b/src/draw.c
@@ -798,6 +798,7 @@ void gfx_draw_glyph(Texture *dst, float dx, int dy, Texture *glyph, SDL_Color co
 	data.r = color.r / 255.0;
 	data.g = color.g / 255.0;
 	data.b = color.b / 255.0;
+	data.a = 1.0;
 
 	if (bold_width < 0.01) {
 		run_copy_shader(&blend_amap_color_shader.s, dst, glyph, &data);
diff --git a/subprojects/libsys4 b/subprojects/libsys4
index 7ca4b3b..1d25247 160000
--- a/subprojects/libsys4
+++ b/subprojects/libsys4
@@ -1 +1 @@
-Subproject commit 7ca4b3bbc760c7bb432b3513205961e1af8f1039
+Subproject commit 1d25247558ad7ff480344118395b5e6902f7c441