diff --git a/src/cmd.rs b/src/cmd.rs
index 3f686d9..3506347 100644
--- a/src/cmd.rs
+++ b/src/cmd.rs
@@ -986,7 +986,7 @@ impl Cmd {
                             while i < cmd.len() {
                                 match cmd[i].to_uppercase().as_str() {
                                     "FILTER" => {
-                                        if i + 3 >= cmd.len() {
+                                        if i + 2 >= cmd.len() {
                                             return Err(DBError(
                                                 "ERR FILTER requires field and value".to_string(),
                                             ));