diff --git a/src/error.rs b/src/error.rs
index 63c253f1..845ae98f 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -32,7 +32,7 @@ macro_rules! make_errors(
         impl SqlState {
             #[doc(hidden)]
             pub fn from_code(s: &str) -> SqlState {
-                match STATE_MAP.get_equiv(s) {
+                match STATE_MAP.get(s) {
                     Some(state) => state.clone(),
                     None => SqlState::Unknown(s.into_string())
                 }