2 files changed, 2 insertions, 2 deletions
diff --git a/lib/irb/ruby-lex.rb b/lib/irb/ruby-lex.rb
index 879c45c565..ca01662eee 100644
--- a/lib/irb/ruby-lex.rb
+++ b/lib/irb/ruby-lex.rb
@@ -792,7 +792,7 @@ class RubyLex
           token_c = TkSymbol2Token[trans[1]]
           @lex_state = trans[0]
         else
-          if @lex_state != EXPR_FNAME
+          if @lex_state != EXPR_FNAME and peek(0) != ':'
             if ENINDENT_CLAUSE.include?(token)
               # check for ``class = val'' etc.
               valid = true
diff --git a/version.h b/version.h
index 7ed08df396..c9f4b15d64 100644
--- a/version.h
+++ b/version.h
@@ -1,6 +1,6 @@
 #define RUBY_VERSION "2.3.3"
 #define RUBY_RELEASE_DATE "2017-03-28"
-#define RUBY_PATCHLEVEL 279
+#define RUBY_PATCHLEVEL 280
 
 #define RUBY_RELEASE_YEAR 2017
 #define RUBY_RELEASE_MONTH 3