diff --git a/.github/workflows/prof_correctness.yml b/.github/workflows/prof_correctness.yml
index 4e468cae263..e26054c48f3 100644
--- a/.github/workflows/prof_correctness.yml
+++ b/.github/workflows/prof_correctness.yml
@@ -27,6 +27,7 @@ jobs:
         uses: shivammathur/setup-php@bf6b4fbd49ca58e4608c9c89fba0b8d90bd2a39f # v2.35.5
         with:
           php-version: ${{ matrix.php-version }}
+          coverage: none
           extensions: ${{ matrix.extensions }}
         env:
           phpts: ${{ matrix.phpts }}
diff --git a/profiling/tests/correctness/allocations.json b/profiling/tests/correctness/allocations.json
index dc662beb1ef..0c146b91fba 100644
--- a/profiling/tests/correctness/allocations.json
+++ b/profiling/tests/correctness/allocations.json
@@ -7,14 +7,22 @@
       "stack-content": [
         {
           "regular_expression": "<?php;main;a;standard\\|str_repeat$",
-          "percent": 66,
-          "value": 1248240336,
+          "percent": 33,
           "error_margin": 5
         },
         {
-          "regular_expression": "<?php;main;b;standard\\|str_repeat$",
+          "regular_expression": "<?php;main;a;standard\\|str_replace$",
           "percent": 33,
-          "value": 613620616,
+          "error_margin": 5
+        },
+        {
+          "regular_expression": "<?php;main;b;standard\\|str_repeat$",
+          "percent": 16,
+          "error_margin": 5
+        },
+        {
+          "regular_expression": "<?php;main;b;standard\\|str_replace$",
+          "percent": 16,
           "error_margin": 5
         }
       ]
@@ -24,12 +32,22 @@
       "stack-content": [
         {
           "regular_expression": "<?php;main;a;standard\\|str_repeat$",
-          "percent": 50,
+          "percent": 25,
+          "error_margin": 5
+        },
+        {
+          "regular_expression": "<?php;main;a;standard\\|str_replace$",
+          "percent": 25,
           "error_margin": 5
         },
         {
           "regular_expression": "<?php;main;b;standard\\|str_repeat$",
-          "percent": 50,
+          "percent": 25,
+          "error_margin": 5
+        },
+        {
+          "regular_expression": "<?php;main;b;standard\\|str_replace$",
+          "percent": 25,
           "error_margin": 5
         }
       ]
diff --git a/profiling/tests/correctness/allocations.php b/profiling/tests/correctness/allocations.php
index 69bdb6cc9d9..c2af645f819 100644
--- a/profiling/tests/correctness/allocations.php
+++ b/profiling/tests/correctness/allocations.php
@@ -2,12 +2,14 @@
 
 function a()
 {
-    str_repeat("a", 1024 * 120_000);
+    $a = str_repeat("a", 1024 * 12_000);
+    str_replace('a', 'b', $a);
 }
 
 function b()
 {
-    str_repeat("a", 1024 * 60_000);
+    $a = str_repeat("a", 1024 * 6_000);
+    str_replace('a', 'b', $a);
 }
 
 function main()