diff --git a/lib/cmock_header_parser.rb b/lib/cmock_header_parser.rb
index 7fdce67..1c9a298 100644
--- a/lib/cmock_header_parser.rb
+++ b/lib/cmock_header_parser.rb
@@ -174,7 +174,7 @@ class CMockHeaderParser
         first_open_bracket = inline_function_match.post_match.index("{")
         first_semicolon    = inline_function_match.post_match.index(";")
 
-        if first_open_bracket.nil? or first_semicolon < first_open_bracket
+        if first_open_bracket.nil? or (!first_semicolon.nil? and first_semicolon < first_open_bracket)
           puts "DECLARATION, IGNORE"
           source = inline_function_match.pre_match + inline_function_match.post_match
           next