diff --git a/ShellB3/sbin/re-l b/ShellB3/sbin/re-l
index 20d747e19088fa9c3a5fb3e7270998b973e18086..17ed5c7d9359f834f0c5cc1e277d383e298c2c4a 100755
--- a/ShellB3/sbin/re-l
+++ b/ShellB3/sbin/re-l
@@ -55,9 +55,13 @@ def isRelScript(filepath):
     return getLine(filepath,linenumber=1)=='#!/usr/bin/env re-l'
 
 def extractRelInterpreter(filepath):
-    l=getLine(filepath,linenumber=2)
-    assert(l.startswith('#:'))
-    return l.split(':',1)[1].strip()
+    if not isRelScript(filepath):
+        raise RuntimeError("Not a re-l script!")
+    for line in range(2,5):
+        l=getLine(filepath,linenumber=line)
+        if l.startswith(('#re-l:','#:')):
+            return l.split(':',1)[1].strip()
+    raise RuntimeError("Couldn't find re-lative interpreter line (starts with '#re-l:')")
 
 def relexec(interpreter,scriptfile,*_args):
     args=[None,None]+list(_args)