diff --git a/pdf2htmlEX.1.in b/pdf2htmlEX.1.in
index 2e0398d..c2fe5e7 100644
--- a/pdf2htmlEX.1.in
+++ b/pdf2htmlEX.1.in
@@ -87,7 +87,7 @@ pdf2htmlEX would try to optimize the generated HTML file moving Text within this
 .B --space-threshold <ratio> (Default: 1.0/6)
 pdf2htmlEX would insert a whitespace character ' ' if the distance between two consecutive letters in the same line is wider than ratio * font_size.
 .TP
-.B --font-size-multiplier <ratio> (Default: 3.0)
+.B --font-size-multiplier <ratio> (Default: 8.0)
 Many web browsers limit the minimum font size, and many would round the given font size, which results in incorrect rendering.
 
 Specify a ratio greater than 1 would resolve this issue, however it might freeze some browsers.
diff --git a/src/pdf2htmlEX.cc b/src/pdf2htmlEX.cc
index 168f7b1..449482c 100644
--- a/src/pdf2htmlEX.cc
+++ b/src/pdf2htmlEX.cc
@@ -73,7 +73,7 @@ void parse_options (int argc, char **argv)
         .add("heps", &param.h_eps, 1.0, "max tolerated horizontal offset (in pixels)")
         .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("font-size-multiplier", &param.font_size_multiplier, 8.0, "setting a value greater than 1 would increase the rendering accuracy")
         .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")