diff --git a/lib/rouge/lexers/kotlin.rb b/lib/rouge/lexers/kotlin.rb
index c26b13c3af..9e10928a21 100644
--- a/lib/rouge/lexers/kotlin.rb
+++ b/lib/rouge/lexers/kotlin.rb
@@ -73,10 +73,10 @@ class Kotlin < RegexLexer
         rule %r'""".*?"""'m, Str
         rule %r'"(\\\\|\\"|[^"\n])*["\n]'m, Str
         rule %r"'\\.'|'[^\\]'", Str::Char
-        rule %r"(([0-9]|_)+(\.([0-9]|_)*)?[eE][+-]?([0-9]|_)*)[fF]?", Num::Float
         rule %r"(0[xX][0-9a-fA-F_]*[0-9a-fA-F])[uU]?L?", Num::Hex
         rule %r"(0[bB][01_]*[01])[uU]?L?", Num::Bin
         rule %r"([0-9]([0-9]|_)*)[uU]?L?", Num::Integer
+        rule %r"(([0-9]|_)+(\.([0-9]|_)*)?[eE][+-]?([0-9]|_)*)[fF]?", Num::Float
         rule %r'(@#{class_name})', Name::Decorator
         rule %r'(#{class_name})(<)' do
           groups Name::Class, Punctuation