diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8362e487..2660b872 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@
 - **aiken-lang**: Prevent (type error) backpassing blocks with empty continuation. See [#1111](https://github.com/aiken-lang/aiken/issues/1111). @KtorZ
 - **aiken-lang**: Change default placeholder for `trace` to `Void` instead of `todo`. @KtorZ
 - **aiken-lang**: Disallow (parse error) dangling colon `:` in traces. See [#1113](https://github.com/aiken-lang/aiken/issues/1113). @KtorZ
+- **aiken-lang**: Fix `aiken blueprint apply` wrongly overriding all validators handlers names & ABI to the mint's one. See [#1099](https://github.com/aiken-lang/aiken/issues/1099). @KtorZ
 
 ### Fixed
 
diff --git a/crates/aiken-project/src/lib.rs b/crates/aiken-project/src/lib.rs
index d18528a6..888022e1 100644
--- a/crates/aiken-project/src/lib.rs
+++ b/crates/aiken-project/src/lib.rs
@@ -714,12 +714,13 @@ where
         blueprint.validators = blueprint
             .validators
             .into_iter()
-            .map(|validator| {
+            .map(|mut validator| {
                 if prefix(&applied_validator.title) == prefix(&validator.title) {
-                    applied_validator.clone()
-                } else {
-                    validator
+                    validator.program = applied_validator.program.clone();
+                    validator.parameters = applied_validator.parameters.clone();
                 }
+
+                validator
             })
             .collect();
 
diff --git a/examples/acceptance_tests/120/aiken.toml b/examples/acceptance_tests/120/aiken.toml
new file mode 100644
index 00000000..754bfd97
--- /dev/null
+++ b/examples/acceptance_tests/120/aiken.toml
@@ -0,0 +1,9 @@
+name = "aiken-lang/120"
+version = "0.0.0"
+license = "Apache-2.0"
+description = "Aiken contracts for project 'aiken-lang/120'"
+
+[repository]
+user = "aiken-lang"
+project = "120"
+platform = "github"
diff --git a/examples/acceptance_tests/120/assert.sh b/examples/acceptance_tests/120/assert.sh
new file mode 100755
index 00000000..fc2e85fa
--- /dev/null
+++ b/examples/acceptance_tests/120/assert.sh
@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+set -e
+
+cd $(dirname "$0")
+
+cargo run -r -- build
+JSON=$(cargo run -r -- blueprint apply 43666F6F)
+
+if [ $(jq -r ".validators[0].title" <<< $JSON) != "tests.my_script.mint" ]; then
+  echo "❌ invalid mint handler name"
+  exit 1
+fi
+
+if [ $(jq -r ".validators[1].title" <<< $JSON) != "tests.my_script.spend" ]; then
+  echo "❌ invalid spend handler name"
+  exit 1
+fi
+
+if [ $(jq -r ".validators[2].title" <<< $JSON) != "tests.my_script.else" ]; then
+  echo "❌ invalid else handler name"
+  exit 1
+fi
+
+if [ $(jq -r ".validators[0].hash" <<< $JSON) != $(jq -r ".validators[1].hash" <<< $JSON) ]; then
+  echo "❌ hash mismatch between mint and spend handlers"
+  exit 1
+fi
+
+if [ $(jq -r ".validators[1].hash" <<< $JSON) != $(jq -r ".validators[2].hash" <<< $JSON) ]; then
+  echo "❌ hash mismatch between spend and else handlers"
+  exit 1
+fi
diff --git a/examples/acceptance_tests/120/validators/tests.ak b/examples/acceptance_tests/120/validators/tests.ak
new file mode 100644
index 00000000..3289162b
--- /dev/null
+++ b/examples/acceptance_tests/120/validators/tests.ak
@@ -0,0 +1,13 @@
+validator my_script(_param: ByteArray) {
+  mint(_redeemer: Int, _policy_id: Data, _self: Data) {
+    True
+  }
+
+  spend(_datum: Option<Int>, _redeemer: Bool, _utxo: Data, _self: Data) {
+    True
+  }
+
+  else(_) {
+    fail
+  }
+}
diff --git a/examples/acceptance_tests/run b/examples/acceptance_tests/run
index 5d23f918..63f478ec 100755
--- a/examples/acceptance_tests/run
+++ b/examples/acceptance_tests/run
@@ -21,7 +21,12 @@ if [ "$?" -eq "0" ]; then
   if [ -z "$VALIDATORS" ]; then
     echo "✅ $(basename $TARGET)"
   else
-    cargo run -r --quiet -- build $TARGET 1>$TMP 2>/dev/null
+    if [ ! -f "$TARGET/assert.sh" ]; then
+      cargo run -r --quiet -- build $TARGET 1>$TMP 2>/dev/null
+    else
+      $TARGET/assert.sh 1>$TMP 2>/dev/null
+    fi
+
     if [ "$?" -eq "0" ]; then
       echo "✅ $(basename $TARGET)"
     else