diff --git a/CHANGELOG.md b/CHANGELOG.md
index 53a6f98f..d4ccfccb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## v1.1.8 - UNRELEASED
+
+### Changed
+
+- **aiken**: Fix `aiken blueprint policy` computing hashes as PlutusV1, instead of relying on the plutus version from the Blueprint. @KtorZ
+
 ## v1.1.7 - 2024-11-19
 
 ### Changed
diff --git a/crates/uplc/src/ast.rs b/crates/uplc/src/ast.rs
index ae73cb6f..17bcf682 100644
--- a/crates/uplc/src/ast.rs
+++ b/crates/uplc/src/ast.rs
@@ -239,7 +239,7 @@ impl<'a> Deserialize<'a> for SerializableProgram {
                     .and_then(|program| {
                         let cbor = || program.to_cbor().unwrap().into();
 
-                        if conway::PlutusScript::<1>(cbor()).compute_hash().to_string() == hash {
+                        if conway::PlutusScript::<3>(cbor()).compute_hash().to_string() == hash {
                             return Ok(SerializableProgram::PlutusV3Program(program));
                         }
 
@@ -247,7 +247,7 @@ impl<'a> Deserialize<'a> for SerializableProgram {
                             return Ok(SerializableProgram::PlutusV2Program(program));
                         }
 
-                        if conway::PlutusScript::<3>(cbor()).compute_hash().to_string() == hash {
+                        if conway::PlutusScript::<1>(cbor()).compute_hash().to_string() == hash {
                             return Ok(SerializableProgram::PlutusV1Program(program));
                         }