diff --git a/internal/errors/migrated_errors.go b/internal/errors/migrated_errors.go
index 6ef98da8b..a709a3ee6 100644
--- a/internal/errors/migrated_errors.go
+++ b/internal/errors/migrated_errors.go
@@ -33,8 +33,7 @@ var (
 	ErrInvalidIPAddress           = errors.New("invalid IP address")
 	ErrInvalidFingerprint         = errors.New("invalid fingerprint")
 	ErrKeyDoesNotExist            = errors.New("ERR could not perform this operation on a key that doesn't exist")
-	ErrInvalidFloat               = errors.New("ERR value is not a valid float")
-	ErrUnsupportedUnit            = errors.New("ERR unsupported unit provided. please use m, km, ft, mi")
+	ErrUnsupportedUnit            = errors.New("ERR unsupported unit provided. please use M, KM, FT, MI")
 
 	// Error generation functions for specific error messages with dynamic parameters.
 	ErrWrongArgumentCount = func(command string) error {
diff --git a/internal/eval/store_eval.go b/internal/eval/store_eval.go
index bc687b9c5..eccfbbbf5 100644
--- a/internal/eval/store_eval.go
+++ b/internal/eval/store_eval.go
@@ -6989,7 +6989,7 @@ func parseGeoRadiusOpts(args []string) (*geoRadiusOpts, error) {
 				}
 				i++
 			} else {
-				return nil, diceerrors.ErrGeneral("syntax error")
+				return nil, diceerrors.ErrSyntax
 			}
 		case "ANY":
 			return nil, diceerrors.ErrGeneral("the ANY argument requires COUNT argument")
@@ -7002,7 +7002,7 @@ func parseGeoRadiusOpts(args []string) (*geoRadiusOpts, error) {
 				opts.StoreDist = false
 				i++
 			} else {
-				return nil, diceerrors.ErrGeneral("syntax error")
+				return nil, diceerrors.ErrSyntax
 			}
 		case "STOREDIST":
 			if opts.WithCoord || opts.WithDist || opts.WithHash {
@@ -7013,10 +7013,10 @@ func parseGeoRadiusOpts(args []string) (*geoRadiusOpts, error) {
 				opts.StoreDist = true
 				i++
 			} else {
-				return nil, diceerrors.ErrGeneral("syntax error")
+				return nil, diceerrors.ErrSyntax
 			}
 		default:
-			return nil, diceerrors.ErrGeneral("syntax error")
+			return nil, diceerrors.ErrSyntax
 		}
 	}
 
@@ -7027,7 +7027,7 @@ func evalGEORADIUSBYMEMBER(args []string, store *dstore.Store) *EvalResponse {
 	if len(args) < 4 {
 		return &EvalResponse{
 			Result: nil,
-			Error:  diceerrors.ErrWrongArgumentCount("GEODIST"),
+			Error:  diceerrors.ErrWrongArgumentCount("GEORADIUSBYMEMBER"),
 		}
 	}
 
@@ -7039,7 +7039,8 @@ func evalGEORADIUSBYMEMBER(args []string, store *dstore.Store) *EvalResponse {
 	distVal, parseErr := strconv.ParseFloat(dist, 64)
 	if parseErr != nil {
 		return &EvalResponse{
-			Error: diceerrors.ErrInvalidFloat,
+			Result: nil,
+			Error:  diceerrors.ErrGeneral("need numeric radius"),
 		}
 	}
 
@@ -7054,14 +7055,16 @@ func evalGEORADIUSBYMEMBER(args []string, store *dstore.Store) *EvalResponse {
 	obj := store.Get(key)
 	if obj == nil {
 		return &EvalResponse{
-			Result: clientio.NIL,
+			Result: clientio.EmptyArray,
+			Error:  nil,
 		}
 	}
 
 	ss, err := sortedset.FromObject(obj)
 	if err != nil {
 		return &EvalResponse{
-			Error: diceerrors.ErrWrongTypeOperation,
+			Result: nil,
+			Error:  diceerrors.ErrWrongTypeOperation,
 		}
 	}
 
@@ -7069,7 +7072,7 @@ func evalGEORADIUSBYMEMBER(args []string, store *dstore.Store) *EvalResponse {
 	if !ok {
 		return &EvalResponse{
 			Result: nil,
-			Error:  nil,
+			Error:  diceerrors.ErrGeneral("could not decode requested zset member"),
 		}
 	}