diff --git a/font-patcher b/font-patcher
index 0a917d55bc..4ed2a49ea9 100755
--- a/font-patcher
+++ b/font-patcher
@@ -789,7 +789,14 @@ class font_patcher:
                 # Ligartures will have these.
                 continue
 
-            self.remove_glyph_neg_bearings(glyph)
+            if (glyph.width != 0):
+                # If the width is zero this glyph is intened to be printed on top of another one.
+                # In this case we need to keep the negative bearings to shift it 'left'.
+                # Things like Ä have these: composed of U+0041 'A' and U+0308 'double dot above'
+                #
+                # If width is not zero, correct the bearings such that they are within the width:
+                self.remove_glyph_neg_bearings(glyph)
+
             self.set_glyph_width_mono(glyph)