diff --git a/source/client/src/clientSml.c b/source/client/src/clientSml.c
index c1500e7dafd7ac9d14056c445fb41ac325649a1d..b887fde00ea89a00b88203d5dcf979d819f69af3 100644
--- a/source/client/src/clientSml.c
+++ b/source/client/src/clientSml.c
@@ -865,12 +865,12 @@ static int64_t smlGetTimeValue(const char *value, int32_t len, uint8_t fromPreci
   }
 
   if(unlikely(fromPrecision >= TSDB_TIME_PRECISION_HOURS)){
-    fromPrecision = TSDB_TIME_PRECISION_MILLI;
     int64_t unit = smlToMilli[fromPrecision - TSDB_TIME_PRECISION_HOURS];
     if(unit > INT64_MAX / tsInt64){
       return -1;
     }
     tsInt64 *= unit;
+    fromPrecision = TSDB_TIME_PRECISION_MILLI;
   }
 
   return convertTimePrecision(tsInt64, fromPrecision, toPrecision);