diff --git a/poky/scripts/lib/recipetool/create.py b/poky/scripts/lib/recipetool/create.py
index d2997cc..8e9ff38 100644
--- a/poky/scripts/lib/recipetool/create.py
+++ b/poky/scripts/lib/recipetool/create.py
@@ -1166,12 +1166,12 @@
     # Note: these are carefully constructed!
     license_title_re = re.compile(r'^#*\(? *(This is )?([Tt]he )?.{0,15} ?[Ll]icen[sc]e( \(.{1,10}\))?\)?[:\.]? ?#*$')
     license_statement_re = re.compile(r'^((This (project|software)|.{1,10}) is( free software)? (released|licen[sc]ed)|(Released|Licen[cs]ed)) under the .{1,10} [Ll]icen[sc]e:?$')
-    copyright_re = re.compile('^ *[#\*]* *(Modified work |MIT LICENSED )?Copyright ?(\([cC]\))? .*$')
-    disclaimer_re = re.compile('^ *\*? ?All [Rr]ights [Rr]eserved\.$')
-    email_re = re.compile('^.*<[\w\.-]*@[\w\.\-]*>$')
-    header_re = re.compile('^(\/\**!?)? ?[\-=\*]* ?(\*\/)?$')
-    tag_re = re.compile('^ *@?\(?([Ll]icense|MIT)\)?$')
-    url_re = re.compile('^ *[#\*]* *https?:\/\/[\w\.\/\-]+$')
+    copyright_re = re.compile(r'^ *[#\*]* *(Modified work |MIT LICENSED )?Copyright ?(\([cC]\))? .*$')
+    disclaimer_re = re.compile(r'^ *\*? ?All [Rr]ights [Rr]eserved\.$')
+    email_re = re.compile(r'^.*<[\w\.-]*@[\w\.\-]*>$')
+    header_re = re.compile(r'^(\/\**!?)? ?[\-=\*]* ?(\*\/)?$')
+    tag_re = re.compile(r'^ *@?\(?([Ll]icense|MIT)\)?$')
+    url_re = re.compile(r'^ *[#\*]* *https?:\/\/[\w\.\/\-]+$')
 
     lictext = []
     with open(licfile, 'r', errors='surrogateescape') as f: