diff --git a/libs/ui/source/default_fonts.cpp b/libs/ui/source/default_fonts.cpp
index dd1e3dfb..1cea2568 100644
--- a/libs/ui/source/default_fonts.cpp
+++ b/libs/ui/source/default_fonts.cpp
@@ -24,8 +24,8 @@ namespace psemek::ui
 		for (char32_t c = range.begin; c < range.end; ++c)
 		{
 			int const row = 16;
-			int x = (c - range.begin) / row;
-			int y = (c - range.begin) % row;
+			int x = (c - range.begin) % row;
+			int y = (c - range.begin) / row;
 
 			geom::box<float, 2> b;
 			b[0].min = x * 11 + 1;