diff --git a/.github/workflows/tests_eessi_module.yml b/.github/workflows/tests_eessi_module.yml
index d2e3cd1338..cbcffe6385 100644
--- a/.github/workflows/tests_eessi_module.yml
+++ b/.github/workflows/tests_eessi_module.yml
@@ -72,7 +72,7 @@ jobs:
           module load EESSI/${{matrix.EESSI_VERSION}}
           env | grep -E '^(EESSI_S|EESSI_C)' | sort > "${moduleoutfile}"
           module unload EESSI/${{matrix.EESSI_VERSION}}
-          source /cvmfs/software.eessi.io/versions/${{matrix.EESSI_VERSION}}/init/bash
+          source ./init/bash
           env | grep -E '^(EESSI_S|EESSI_C)' | sort > "${sourceoutfile}"
           cat "${moduleoutfile}"
           cat "${sourceoutfile}"
@@ -80,6 +80,7 @@ jobs:
               echo "Test for checking env variables PASSED"
           else 
               echo "Test for checking env variables FAILED"  >&2
+              diff "${moduleoutfile}" "${sourceoutfile}" 
               exit 1
           fi
 
diff --git a/EESSI-extend-2023.06-easybuild.eb b/EESSI-extend-2023.06-easybuild.eb
index ba8629c02e..8e328c3ece 100644
--- a/EESSI-extend-2023.06-easybuild.eb
+++ b/EESSI-extend-2023.06-easybuild.eb
@@ -92,7 +92,7 @@ elseif (os.getenv("EESSI_SITE_INSTALL") ~= nil) then
   if ((os.getenv("EESSI_PROJECT_INSTALL") ~= nil) or (os.getenv("EESSI_USER_INSTALL") ~= nil)) then
     LmodError("You cannot use EESSI_SITE_INSTALL in combination with any other EESSI_*_INSTALL environment variables")
   end
-  easybuild_installpath = string.gsub(os.getenv("EESSI_SOFTWARE_PATH"), 'versions', 'host_injections')
+  easybuild_installpath = os.getenv("EESSI_SITE_SOFTWARE_PATH")
 else
   -- Deal with user and project installs
   project_install = os.getenv("EESSI_PROJECT_INSTALL")
diff --git a/easystacks/software.eessi.io/2023.06/rebuilds/20241008-eb-4.9.4-EESSI-extend.yml b/easystacks/software.eessi.io/2023.06/rebuilds/20241008-eb-4.9.4-EESSI-extend.yml
new file mode 100644
index 0000000000..5491ef8427
--- /dev/null
+++ b/easystacks/software.eessi.io/2023.06/rebuilds/20241008-eb-4.9.4-EESSI-extend.yml
@@ -0,0 +1,5 @@
+# 2024.10.08
+# EESSI-extend should use EESSI_SITE_INSTALLPATH, instead of recalculating this
+easyconfigs:
+  - EESSI-extend-2023.06-easybuild.eb
+
diff --git a/init/eessi_environment_variables b/init/eessi_environment_variables
index ab4894fb16..d2daf40ace 100644
--- a/init/eessi_environment_variables
+++ b/init/eessi_environment_variables
@@ -120,15 +120,17 @@ if [ -d $EESSI_PREFIX ]; then
         if [ ! -z $EESSI_BASIC_ENV ]; then
           show_msg "Only setting up basic environment, so we're done"
         elif [ -d $EESSI_SOFTWARE_PATH ]; then
+          export EESSI_SITE_SOFTWARE_PATH=${EESSI_SOFTWARE_PATH/versions/host_injections}
+          show_msg "Using ${EESSI_SITE_SOFTWARE_PATH} as the site extension directory for installations."
+          # Allow for use of alternative module tree shipped with EESSI
+          if [ -z ${EESSI_MODULE_SUBDIR+x} ]; then
+            # EESSI_MODULE_SUBDIR not set
+            EESSI_MODULE_SUBDIR="modules/all"
+          fi
           # Allow for the use of a custom MNS
           if [ -z ${EESSI_CUSTOM_MODULEPATH+x} ]; then
             # EESSI_CUSTOM_MODULEPATH not set so we use our defaults
 
-            # Allow for use of alternative module tree shipped with EESSI
-            if [ -z ${EESSI_MODULE_SUBDIR+x} ]; then
-              # EESSI_MODULE_SUBDIR not set
-              EESSI_MODULE_SUBDIR="modules/all"
-            fi
             EESSI_MODULEPATH=$EESSI_SOFTWARE_PATH/$EESSI_MODULE_SUBDIR
           else
             show_msg "Using defined environment variable \$EESSI_CUSTOM_MODULEPATH to set EESSI_MODULEPATH."
@@ -138,7 +140,7 @@ if [ -d $EESSI_PREFIX ]; then
           if [ -d $EESSI_MODULEPATH ]; then
             export EESSI_MODULEPATH=$EESSI_MODULEPATH
             show_msg "Using ${EESSI_MODULEPATH} as the directory to be added to MODULEPATH."
-            export EESSI_SITE_MODULEPATH=${EESSI_MODULEPATH/versions/host_injections}
+            export EESSI_SITE_MODULEPATH=$EESSI_SITE_SOFTWARE_PATH/$EESSI_MODULE_SUBDIR
             show_msg "Using ${EESSI_SITE_MODULEPATH} as the site extension directory to be added to MODULEPATH."
           else
             error "EESSI module path at $EESSI_MODULEPATH not found!"
diff --git a/init/modules/EESSI/2023.06.lua b/init/modules/EESSI/2023.06.lua
index 32aaf6c07f..463706ce6c 100644
--- a/init/modules/EESSI/2023.06.lua
+++ b/init/modules/EESSI/2023.06.lua
@@ -48,9 +48,11 @@ local eessi_software_subdir = archdetect
 local eessi_eprefix = pathJoin(eessi_prefix, "compat", eessi_os_type, eessi_cpu_family)
 local eessi_software_path = pathJoin(eessi_prefix, "software", eessi_os_type, eessi_software_subdir)
 local eessi_module_path = pathJoin(eessi_software_path, "modules", "all")
-local eessi_site_module_path = string.gsub(eessi_module_path, "versions", "host_injections")
+local eessi_site_software_path = string.gsub(eessi_software_path, "versions", "host_injections")
+local eessi_site_module_path = pathJoin(eessi_site_software_path, "modules", "all")
 setenv("EPREFIX",  eessi_eprefix)
 setenv("EESSI_CPU_FAMILY", eessi_cpu_family)
+setenv("EESSI_SITE_SOFTWARE_PATH", eessi_site_software_path)
 setenv("EESSI_SITE_MODULEPATH", eessi_site_module_path)
 setenv("EESSI_SOFTWARE_SUBDIR", eessi_software_subdir)
 setenv("EESSI_PREFIX", eessi_prefix)