diff --git a/src/main/java/gkappa/wrapfix/mixin/MixinFontRenderer.java b/src/main/java/gkappa/wrapfix/mixin/MixinFontRenderer.java
index 90786f0..d3afb7a 100644
--- a/src/main/java/gkappa/wrapfix/mixin/MixinFontRenderer.java
+++ b/src/main/java/gkappa/wrapfix/mixin/MixinFontRenderer.java
@@ -62,7 +62,7 @@ private void wrapStringToWidthICU4J(String str, int wrapWidth, CallbackInfoRetur
             switch (current) {
                 case '\n':
                     list.add(line.toString());
-                    fed = i;
+                    fed++;
                     line.delete(0, line.length()).append(format);
                     lineWidth = 0;
                     widths[i - fed] = lineWidth;
@@ -111,7 +111,7 @@ private void wrapStringToWidthICU4J(String str, int wrapWidth, CallbackInfoRetur
                 }
                 if (icui <= fed || i == icui) {
                     list.add(line.substring(0,line.length() - 1));
-                    fed = i - 1;
+                    fed += line.length() - 1;
                     line.delete(0, line.length()).append(format).append(current);
                     prevFormat = format.length();
                     lineWidth = getCharWidth(current);