diff --git a/bin/gitzone b/bin/gitzone
index 612ba59..05c684b 100755
--- a/bin/gitzone
+++ b/bin/gitzone
@@ -131,8 +131,8 @@ sub check_what_changed {
 	$_ = git "diff --raw --abbrev=40 ". ($new ? "$old..$new" : $old);
     }
 
-    # parse diff output, add only valid zone names to %files for parsing
-    $files{$1} = 0 while m,^:(?:[\w.]+\s+){5}(?:[A-Za-z0-9./-]+\s+)?([A-Za-z0-9./-]+)$,gm;
+    # parse diff output, add only valid zone names or $INCLUDE files to %files for parsing
+    $files{$1} = 0 while m,^:(?:[\w.]+\s+){5}(?:[A-Za-z0-9./-]+\s+)?([^\s;]+)$,gm;
 }
 
 sub process_files {