diff --git a/Code/Tools/ProjectManager/Platform/Linux/ProjectUtils_linux.cpp b/Code/Tools/ProjectManager/Platform/Linux/ProjectUtils_linux.cpp
index a7bd2dae08..f9a1906b8a 100644
--- a/Code/Tools/ProjectManager/Platform/Linux/ProjectUtils_linux.cpp
+++ b/Code/Tools/ProjectManager/Platform/Linux/ProjectUtils_linux.cpp
@@ -19,10 +19,9 @@ namespace O3DE::ProjectManager
         // The list of clang C/C++ compiler command lines to validate on the host Linux system
         const QStringList SupportedClangVersions = {"13", "12", "11", "10", "9", "8", "7", "6.0"};
 
-        AZ::Outcome<QProcessEnvironment, QString> GetCommandLineProcessEnvironment()
+        AZ::Outcome<void, QString> SetupCommandLineProcessEnvironment()
         {
-            QProcessEnvironment currentEnvironment(QProcessEnvironment::systemEnvironment());
-            return AZ::Success(currentEnvironment);
+            return AZ::Success();
         }
 
         AZ::Outcome<QString, QString> FindSupportedCompilerForPlatform()
diff --git a/Code/Tools/ProjectManager/Platform/Mac/ProjectUtils_mac.cpp b/Code/Tools/ProjectManager/Platform/Mac/ProjectUtils_mac.cpp
index 62011bf04b..24a8fc1ff8 100644
--- a/Code/Tools/ProjectManager/Platform/Mac/ProjectUtils_mac.cpp
+++ b/Code/Tools/ProjectManager/Platform/Mac/ProjectUtils_mac.cpp
@@ -18,17 +18,20 @@ namespace O3DE::ProjectManager
 {
     namespace ProjectUtils
     {
-        AZ::Outcome<QProcessEnvironment, QString> GetCommandLineProcessEnvironment()
+        AZ::Outcome<void, QString> GetCommandLineProcessEnvironment()
         {
             // For CMake on Mac, if its installed through home-brew, then it will be installed
             // under /usr/local/bin, which may not be in the system PATH environment. 
             // Add that path for the command line process so that it will be able to locate
             // a home-brew installed version of CMake
-            QProcessEnvironment currentEnvironment(QProcessEnvironment::systemEnvironment());
-            QString pathValue = currentEnvironment.value("PATH");
-            pathValue += ":/usr/local/bin";
-            currentEnvironment.insert("PATH", pathValue);
-            return AZ::Success(currentEnvironment);
+            QString pathEnv = qEnvironmentVariable("PATH");
+            if (!pathEnv.contains("/usr/local/bin"))
+            {
+                pathEnv += ":/usr/local/bin";
+                qputenv("PATH", pathEnv.toStdString().c_str());
+            }
+
+            return AZ::Success();
         }
 
         AZ::Outcome<QString, QString> FindSupportedCompilerForPlatform()