diff --git a/uncompyle6/parsers/parse3.py b/uncompyle6/parsers/parse3.py
index cac4649f..01e411a5 100644
--- a/uncompyle6/parsers/parse3.py
+++ b/uncompyle6/parsers/parse3.py
@@ -74,6 +74,7 @@ class Python3Parser(PythonParser):
 
         jb_or_c ::= JUMP_BACK
         jb_or_c ::= CONTINUE
+        jb_cfs  ::= JUMP_BACK _come_froms
 
         stmt ::= set_comp_func
 
@@ -435,10 +436,11 @@ class Python3Parser(PythonParser):
         while1elsestmt    ::= SETUP_LOOP          l_stmts     JUMP_BACK
                               else_suitel
 
-        whileelsestmt     ::= SETUP_LOOP testexpr l_stmts_opt JUMP_BACK POP_BLOCK
+        whileelsestmt     ::= SETUP_LOOP testexpr l_stmts_opt jb_cfs POP_BLOCK
                               else_suitel COME_FROM_LOOP
 
-        whileelsestmt2     ::= SETUP_LOOP testexpr l_stmts_opt  JUMP_BACK POP_BLOCK
+
+        whileelsestmt2    ::= SETUP_LOOP testexpr l_stmts_opt  JUMP_BACK POP_BLOCK
                               else_suitel JUMP_BACK COME_FROM_LOOP
 
         whileTruestmt     ::= SETUP_LOOP l_stmts_opt          JUMP_BACK POP_BLOCK
diff --git a/uncompyle6/scanners/scanner2.py b/uncompyle6/scanners/scanner2.py
index eda5ea62..5dc6ab6f 100644
--- a/uncompyle6/scanners/scanner2.py
+++ b/uncompyle6/scanners/scanner2.py
@@ -396,7 +396,7 @@ class Scanner2(Scanner):
 
         if show_asm in ('both', 'after'):
             for t in tokens:
-                print(t.format(line_prefix='L.'))
+                print(t.format(line_prefix=""))
             print()
         return tokens, customize
 
diff --git a/uncompyle6/scanners/scanner26.py b/uncompyle6/scanners/scanner26.py
index 9f7658de..6c0ab135 100755
--- a/uncompyle6/scanners/scanner26.py
+++ b/uncompyle6/scanners/scanner26.py
@@ -279,7 +279,7 @@ class Scanner26(scan.Scanner2):
 
         if show_asm in ('both', 'after'):
             for t in tokens:
-                print(t.format(line_prefix='L.'))
+                print(t.format(line_prefix=""))
             print()
         return tokens, customize
 
diff --git a/uncompyle6/scanners/scanner3.py b/uncompyle6/scanners/scanner3.py
index c7840dd9..921f8e05 100644
--- a/uncompyle6/scanners/scanner3.py
+++ b/uncompyle6/scanners/scanner3.py
@@ -539,7 +539,7 @@ class Scanner3(Scanner):
 
         if show_asm in ("both", "after"):
             for t in tokens:
-                print(t.format(line_prefix="L."))
+                print(t.format(line_prefix=))
             print()
         return tokens, customize
 
diff --git a/uncompyle6/scanners/scanner37base.py b/uncompyle6/scanners/scanner37base.py
index a51b3fa9..62da868f 100644
--- a/uncompyle6/scanners/scanner37base.py
+++ b/uncompyle6/scanners/scanner37base.py
@@ -518,7 +518,7 @@ class Scanner37Base(Scanner):
 
         if show_asm in ("both", "after"):
             for t in tokens:
-                print(t.format(line_prefix="L."))
+                print(t.format(line_prefix=""))
             print()
         return tokens, customize