diff --git a/checkpolicy/policy_scan.l b/checkpolicy/policy_scan.l
index e767b5f2..143e797a 100644
--- a/checkpolicy/policy_scan.l
+++ b/checkpolicy/policy_scan.l
@@ -234,7 +234,7 @@ HIGH				{ return(HIGH); }
 low |
 LOW				{ return(LOW); }
 "/"({alnum}|[_\.\-/])*	        { return(PATH); }
-\"({alnum}|[_\.\-\~])+\"	{ return(FILENAME); }
+\"({alnum}|[_\.\-\+\~])+\"	{ return(FILENAME); }
 {letter}({alnum}|[_\-])*([\.]?({alnum}|[_\-]))*	{ return(IDENTIFIER); }
 {alnum}*{letter}{alnum}*        { return(FILESYSTEM); }
 {digit}+|0x{hexval}+            { return(NUMBER); }
diff --git a/sepolgen/src/sepolgen/refparser.py b/sepolgen/src/sepolgen/refparser.py
index 9a793402..a4adbd86 100644
--- a/sepolgen/src/sepolgen/refparser.py
+++ b/sepolgen/src/sepolgen/refparser.py
@@ -245,7 +245,7 @@ def t_refpolicywarn(t):
     t.lexer.lineno += 1
 
 def t_IDENTIFIER(t):
-    r'[a-zA-Z_\$\"][a-zA-Z0-9_\-\.\$\*\"~]*'
+    r'[a-zA-Z_\$\"][a-zA-Z0-9_\-\+\.\$\*\"~]*'
     # Handle any keywords
     t.type = reserved.get(t.value,'IDENTIFIER')
     return t