diff --git a/fdroidserver/common.py b/fdroidserver/common.py
index 2f18f7f5..ec825613 100644
--- a/fdroidserver/common.py
+++ b/fdroidserver/common.py
@@ -1601,8 +1601,9 @@ def scan_source(build_dir, root_dir, thisbuild):
                 if not os.path.isfile(fp):
                     continue
                 for i, line in enumerate(file(fp)):
+                    i = i + 1
                     if any(suspect.match(line) for suspect in usual_suspects):
-                        count += handleproblem('usual suspect at line %d' % i+1, fd, fp)
+                        count += handleproblem('usual suspect at line %d' % i, fd, fp)
                         break
 
     for p in scanignore: