diff --git a/runtime/indent/awk.vim b/runtime/indent/awk.vim
index edc7aca..6f6b70c 100644
--- a/runtime/indent/awk.vim
+++ b/runtime/indent/awk.vim
@@ -189,6 +189,9 @@
 
 function! s:Seems_continuing( line )
   " Unfinished lines
+  if a:line =~ '\(--\|++\)\s*$'
+    return 0
+  endif
   if a:line =~ '[\\,\|\&\+\-\*\%\^]\s*$'
     return 1
   endif