diff --git a/Syntaxes/C.plist b/Syntaxes/C.plist
index a6cbdc9..602ab98 100644
--- a/Syntaxes/C.plist
+++ b/Syntaxes/C.plist
@@ -100,7 +100,7 @@
 			   |  0  ( [0-7]+       ( ' [0-7]+ )* )         # Octal
 			   |     ( [0-9]+       ( ' [0-9]+ )* )         # Decimal
 			   )
-			   ( ([uUfF] | u?ll? | U?LL?)\b | (?<inc>') | \b )
+			   ( ([u|U]?ll? | ll?[u|U]? | [u|U]?LL? | LL?[u|U]? | [u|U]?[zZ] | [zZ][u|U]? | [uUfF])\b | (?<inc>') | \b )
 			|  ( [0-9]+ ( ' [0-9]+ )* )?
 			   (?i:
 			      \. ( [0-9]+ ( ' [0-9]+ )* ) E(\+|-)? ( [0-9]+ ( ' [0-9]+ )* )