diff --git a/krakenGrammer.kgm b/krakenGrammer.kgm
index 270f3f1..ff82dfe 100644
--- a/krakenGrammer.kgm
+++ b/krakenGrammer.kgm
@@ -121,7 +121,7 @@ access_operation = unarad WS "." WS identifier | unarad WS "->" WS identifier |
 assignment_statement = factor WS "=" WS boolean_expression | factor WS "\+=" WS boolean_expression | factor WS "-=" WS boolean_expression | factor WS "\*=" WS boolean_expression | factor WS "/=" WS boolean_expression ;
 # if it's being assigned to, we allow type inferencing
 declaration_statement = "var" WS identifier WS "=" WS boolean_expression | "var" WS identifier WS dec_type WS "=" WS boolean_expression | "var" WS identifier WS dec_type | "var" WS identifier WS "." WS identifier WS "\(" WS opt_parameter_list WS "\)" WS dec_type ;
-hexadecimal = "0x(1|2|3|4|5|6|7|8|9|a|b|c|d|e|f)+" ;
+hexadecimal = "0x(0|1|2|3|4|5|6|7|8|9|a|b|c|d|e|f)+" ;
 integer = numeric | hexadecimal ;
 floating_literal = numeric "." float_end ;
 float_end = "(0|1|2|3|4|5|6|7|8|9)+" | "(0|1|2|3|4|5|6|7|8|9)+f" | "(0|1|2|3|4|5|6|7|8|9)+d" ;