diff --git a/src/parser/bison_parser.cpp b/src/parser/bison_parser.cpp
index 6bcf236..c8fc3d6 100644
--- a/src/parser/bison_parser.cpp
+++ b/src/parser/bison_parser.cpp
@@ -310,7 +310,7 @@ union HSQL_STYPE
 	double fval;
 	int64_t ival;
 	char* sval;
-	uint uval;
+	uintmax_t uval;
 	bool bval;
 
 	hsql::SQLStatement* statement;
diff --git a/src/parser/bison_parser.h b/src/parser/bison_parser.h
index 67cfa52..8da43cb 100644
--- a/src/parser/bison_parser.h
+++ b/src/parser/bison_parser.h
@@ -214,7 +214,7 @@ union HSQL_STYPE
 	double fval;
 	int64_t ival;
 	char* sval;
-	uint uval;
+	uintmax_t uval;
 	bool bval;
 
 	hsql::SQLStatement* statement;