diff --git a/pdf2htmlEX.1.in b/pdf2htmlEX.1.in
index 98cff1d..d086cec 100644
--- a/pdf2htmlEX.1.in
+++ b/pdf2htmlEX.1.in
@@ -94,7 +94,7 @@ Specify a ratio greater than 1 would resolve this issue, however it might freeze
 
 For some versions of Firefox, however, there will be a problem when the font size is too large, in which case a smaller value should be specified here.
 .TP
-.B --auto-hint <0|1> (Default: 1)
+.B --auto-hint <0|1> (Default: 0)
 If set to 1, hints will be generated for the fonts.
 
 This switch is experimental which may break other things.
diff --git a/src/ffw.c b/src/ffw.c
index 9bcfc26..aed3ebd 100644
--- a/src/ffw.c
+++ b/src/ffw.c
@@ -310,9 +310,6 @@ void ffw_auto_hint(void)
     // convert to quadratic
     if(!(cur_fv->sf->layers[ly_fore].order2))
     {
-        // for now, disable conversion because it breaks Firefox
-        return;
-
         SFCloseAllInstrs(cur_fv->sf);
         SFConvertToOrder2(cur_fv->sf);
     }
diff --git a/src/pdf2htmlEX.cc b/src/pdf2htmlEX.cc
index 9c507ec..168f7b1 100644
--- a/src/pdf2htmlEX.cc
+++ b/src/pdf2htmlEX.cc
@@ -74,7 +74,7 @@ void parse_options (int argc, char **argv)
         .add("veps", &param.v_eps, 1.0, "max tolerated vertical offset (in pixels)")
         .add("space-threshold", &param.space_threshold, (1.0/8), "distance no thiner than (threshold * em) will be considered as a space character")
         .add("font-size-multiplier", &param.font_size_multiplier, 3.0, "setting a value greater than 1 would increase the rendering accuracy")
-        .add("auto-hint", &param.auto_hint, 1, "[Experimental] Whether to generate hints for fonts")
+        .add("auto-hint", &param.auto_hint, 0, "[Experimental] Whether to generate hints for fonts")
         .add("tounicode", &param.tounicode, 0, "Specify how to deal with ToUnicode map, 0 for auto, 1 for forced, -1 for disabled")
         .add("space-as-offset", &param.space_as_offset, 0, "treat space characters as offsets")