p

diff --git a/src/conf/issuer.rs b/src/conf/issuer.rs
index ccd8807..086d4ce 100644
--- a/src/conf/issuer.rs
+++ b/src/conf/issuer.rs
@@ -465,16 +465,16 @@ const fn get_state_prefix() -> Option<&'static str> {
         unsafe { core::str::from_utf8_unchecked(bytes) }
     }
 
-    const VAL_0: Option<&str> = core::option_env!("NGX_ACME_STATE_PREFIX");
-    if VAL_0.is_none() {
+    const RAW_ENV_PREFIX: Option<&str> = core::option_env!("NGX_ACME_STATE_PREFIX");
+    if RAW_ENV_PREFIX.is_none() {
         return None;
     }
 
     // Strip all the trailing slashes from the path.
-    const VAL_1: &str = match VAL_0 {
+    const TRIMMED_ENV_PREFIX: &str = match RAW_ENV_PREFIX {
         Some(x) => trim_trailing_slashes(x),
         None => "", // unreachable
     };
 
-    Some(constcat::concat!(VAL_1, "/"))
+    Some(constcat::concat!(TRIMMED_ENV_PREFIX, "/"))
 }