diff --git a/ftplugin/php_documentor.vim b/ftplugin/php_documentor.vim
index 4f367b7..acdd5c7 100644
--- a/ftplugin/php_documentor.vim
+++ b/ftplugin/php_documentor.vim
@@ -149,7 +149,7 @@ let g:pdv_re_abstract = '\(abstract\)'
 let g:pdv_re_final = '\(final\)'
 
 " [:space:]*(private|protected|public|static|abstract)*[:space:]+[:identifier:]+\([:params:]\)
-let g:pdv_re_func = '^\s*\([a-zA-Z ]*\)function\s\+\([^ (]\+\)\s*(\s*\(.*\)\s*)\(\s*:\(.*\)\)\?\s*[{;]\?$'
+let g:pdv_re_func = '^\s*\([a-zA-Z ]*\)function\s\+\([^ (]\+\)\s*(\s*\(.*\)\s*)\(\s*:\s*\(\w*\)\)\?\s*[{;]\?$'
 
 " [:typehint:]*[:space:]*$[:identifier]\([:space:]*=[:space:]*[:value:]\)?
 let g:pdv_re_param = ' *\([^ &]*\) *&\?\$\([A-Za-z_][A-Za-z0-9_]*\) *=\? *\(.*\)\?$'