diff --git a/units/src/amount/tests.rs b/units/src/amount/tests.rs
index 82a966912..034a80ee5 100644
--- a/units/src/amount/tests.rs
+++ b/units/src/amount/tests.rs
@@ -571,13 +571,13 @@ check_format_non_negative_show_denom! {
 
 #[test]
 fn unsigned_signed_conversion() {
-    let sa = SignedAmount::from_sat;
+    let ssat = SignedAmount::from_sat;
     let ua = Amount::from_sat;
     let max_sats: u64 = Amount::MAX.to_sat();
 
-    assert_eq!(ua(max_sats).to_signed(), sa(max_sats as i64));
-    assert_eq!(sa(max_sats as i64).to_unsigned(), Ok(ua(max_sats)));
-    assert_eq!(sa(max_sats as i64).to_unsigned().unwrap().to_signed(), sa(max_sats as i64));
+    assert_eq!(ua(max_sats).to_signed(), ssat(max_sats as i64));
+    assert_eq!(ssat(max_sats as i64).to_unsigned(), Ok(ua(max_sats)));
+    assert_eq!(ssat(max_sats as i64).to_unsigned().unwrap().to_signed(), ssat(max_sats as i64));
 }
 
 #[test]