diff --git a/source/libs/parser/src/parAstCreater.c b/source/libs/parser/src/parAstCreater.c
index eed6391d5c97af340b5827166fe4c00ba23cd21a..1e51288e026d68c1aeb6d3681559bb7a24da6b42 100644
--- a/source/libs/parser/src/parAstCreater.c
+++ b/source/libs/parser/src/parAstCreater.c
@@ -892,7 +892,7 @@ SDataType createDataType(uint8_t type) {
 }
 
 SDataType createVarLenDataType(uint8_t type, const SToken* pLen) {
-  SDataType dt = { .type = type, .precision = 0, .scale = 0, .bytes = tDataTypes[type].bytes };
+  SDataType dt = { .type = type, .precision = 0, .scale = 0, .bytes = strtol(pLen->z, NULL, 10) };
   return dt;
 }