diff --git a/manifests/params.pp b/manifests/params.pp
index 375bb4f1..741b54a9 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -5,6 +5,8 @@
 class heat::params {
   include openstacklib::defaults
 
+  $pyver3 = $openstacklib::defaults::pyver3
+
   $client_package_name = 'python3-heatclient'
   $user                = 'heat'
   $group               = 'heat'
@@ -21,9 +23,9 @@ class heat::params {
       $api_cfn_service_name        = 'openstack-heat-api-cfn'
       $engine_service_name         = 'openstack-heat-engine'
       # WSGI scripts
-      $heat_wsgi_script_path                  = '/var/www/cgi-bin/heat'
-      $heat_api_wsgi_script_source            = '/usr/bin/heat-wsgi-api'
-      $heat_api_cfn_wsgi_script_source        = '/usr/bin/heat-wsgi-api-cfn'
+      $heat_wsgi_script_path           = '/var/www/cgi-bin/heat'
+      $heat_api_wsgi_script_source     = "/usr/lib/python${pyver3}/site-packages/heat/wsgi/api.py"
+      $heat_api_cfn_wsgi_script_source = "/usr/lib/python${pyver3}/site-packages/heat/wsgi/cfn.py"
     }
     'Debian': {
       # package names
@@ -36,9 +38,9 @@ class heat::params {
       $api_cfn_service_name        = 'heat-api-cfn'
       $engine_service_name         = 'heat-engine'
       # WSGI scripts
-      $heat_wsgi_script_path                  = '/usr/lib/cgi-bin/heat'
-      $heat_api_wsgi_script_source            = '/usr/bin/heat-wsgi-api'
-      $heat_api_cfn_wsgi_script_source        = '/usr/bin/heat-wsgi-api-cfn'
+      $heat_wsgi_script_path           = '/usr/lib/cgi-bin/heat'
+      $heat_api_wsgi_script_source     = '/usr/bin/heat-wsgi-api'
+      $heat_api_cfn_wsgi_script_source = '/usr/bin/heat-wsgi-api-cfn'
       # Operating system specific
       case $facts['os']['name'] {
         'Ubuntu': {
diff --git a/spec/defines/heat_wsgi_apache_spec.rb b/spec/defines/heat_wsgi_apache_spec.rb
index afdda6c1..94dd3f3d 100644
--- a/spec/defines/heat_wsgi_apache_spec.rb
+++ b/spec/defines/heat_wsgi_apache_spec.rb
@@ -89,8 +89,8 @@ describe 'heat::wsgi::apache' do
           }
         when 'RedHat'
           { :wsgi_script_dir   => '/var/www/cgi-bin/heat',
-            :script_source_api => '/usr/bin/heat-wsgi-api',
-            :script_source_cfn => '/usr/bin/heat-wsgi-api-cfn',
+            :script_source_api => '/usr/lib/python3.9/site-packages/heat/wsgi/api.py',
+            :script_source_cfn => '/usr/lib/python3.9/site-packages/heat/wsgi/cfn.py',
           }
         end
       end