diff --git a/telco-core/configuration/compare.sh b/telco-core/configuration/compare.sh
index a34cf2741..fad95bbce 100755
--- a/telco-core/configuration/compare.sh
+++ b/telco-core/configuration/compare.sh
@@ -1,5 +1,7 @@
 #! /bin/bash
 
+sedi() { sed --version 2>/dev/null | grep -q GNU && sed -i "$@" || sed -i '' "$@"; }
+
 trap cleanup EXIT
 
 function cleanup() {
@@ -41,8 +43,8 @@ function compare_cr {
   while IFS= read -r file; do
     [[ ${file::1} != "#" ]] || continue # Skip any comment lines in the exclusionfile
     [[ -n ${file} ]] || continue # Skip empty lines
-    sed -i "/${file##*/}/d" source_file
-    sed -i "/${file##*/}/d" rendered_file
+    sedi "/${file##*/}/d" source_file
+    sedi "/${file##*/}/d" rendered_file
   done < <(cat same_file "$exclusionfile")
 
   if [[ -s source_file || -s rendered_file ]]; then
diff --git a/telco-hub/configuration/reference-crs-kube-compare/compare.sh b/telco-hub/configuration/reference-crs-kube-compare/compare.sh
index 20c0310d3..3289853a8 100755
--- a/telco-hub/configuration/reference-crs-kube-compare/compare.sh
+++ b/telco-hub/configuration/reference-crs-kube-compare/compare.sh
@@ -1,5 +1,7 @@
 #! /bin/bash
 
+sedi() { sed --version 2>/dev/null | grep -q GNU && sed -i "$@" || sed -i '' "$@"; }
+
 trap cleanup EXIT
 
 function cleanup() {
@@ -38,8 +40,8 @@ function compare_cr {
   while IFS= read -r file; do
     [[ ${file::1} != "#" ]] || continue # Skip any comment lines in the exclusionfile
     [[ -n ${file} ]] || continue # Skip empty lines
-    sed -i "/${file##*/}/d" source_file
-    sed -i "/${file##*/}/d" rendered_file
+    sedi "/${file##*/}/d" source_file
+    sedi "/${file##*/}/d" rendered_file
   done < "$exclusionfile"
 
   local source_cr rendered
@@ -65,8 +67,8 @@ function compare_cr {
   while IFS= read -r file; do
     [[ ${file::1} != "#" ]] || continue # Skip any comment lines in the exclusionfile
     [[ -n ${file} ]] || continue # Skip empty lines
-    sed -i "/${file##*/}/d" source_file
-    sed -i "/${file##*/}/d" rendered_file
+    sedi "/${file##*/}/d" source_file
+    sedi "/${file##*/}/d" rendered_file
   done < <(cat same_file "$exclusionfile")
 
   if [[ -s source_file || -s rendered_file ]]; then
diff --git a/telco-hub/configuration/reference-crs/required/gitops/get_ztp_installation.sh b/telco-hub/configuration/reference-crs/required/gitops/get_ztp_installation.sh
index f78ff33e7..dbb85a57d 100755
--- a/telco-hub/configuration/reference-crs/required/gitops/get_ztp_installation.sh
+++ b/telco-hub/configuration/reference-crs/required/gitops/get_ztp_installation.sh
@@ -1,5 +1,7 @@
 #! /bin/bash
 
+sedi() { sed --version 2>/dev/null | grep -q GNU && sed -i "$@" || sed -i '' "$@"; }
+
 # This script is only needed to create the ztp-installation manifest
 # once per each Minor version.
 
@@ -21,7 +23,7 @@ find ./ztp-installation/ -name "*.yaml" -exec yq -i eval '.metadata.annotations.
 
 # patch the ztp-site-generate version
 echo " - Patch ztp-site-generate version"
-sed -i 's|quay.io/openshift-kni/ztp-site-generator:latest|registry.redhat.io/openshift4/ztp-site-generate-rhel8:v4.21|g' ztp-installation/argocd-openshift-gitops-patch.json
+sedi 's|quay.io/openshift-kni/ztp-site-generator:latest|registry.redhat.io/openshift4/ztp-site-generate-rhel8:v4.21|g' ztp-installation/argocd-openshift-gitops-patch.json
 
 echo  " - Adding elements to the whitelist"
 yq '.spec.namespaceResourceWhitelist += {"group": "'metal3.io'", "kind": "DataImage"}' ztp-installation/app-project.yaml
diff --git a/telco-ran/configuration/hack/update_file_references.sh b/telco-ran/configuration/hack/update_file_references.sh
index d4fb56877..480284d73 100755
--- a/telco-ran/configuration/hack/update_file_references.sh
+++ b/telco-ran/configuration/hack/update_file_references.sh
@@ -12,6 +12,8 @@
 
 set -euo pipefail
 
+sedi() { sed --version 2>/dev/null | grep -q GNU && sed -i "$@" || sed -i '' "$@"; }
+
 if [[ ! -d "source-crs" ]]; then
   echo "Error: This script must be run from a directory containing 'source-crs' (e.g., the 'configuration' directory)." >&2
   exit 1
@@ -67,12 +69,12 @@ for source_file in "${source_files[@]}"; do
     # Choose the replacement strategy based on the file's content.
     if grep -q "source-crs/.*$file_name" "$target_file"; then
       # This file contains an incorrect 'source-crs' path. Fix it.
-      sed -i -e "s|source-crs/[^[:space:]\`[]*${escaped_file_name}|source-crs/$replacement_path|g" "$target_file"
+      sedi -e "s|source-crs/[^[:space:]\`[]*${escaped_file_name}|source-crs/$replacement_path|g" "$target_file"
     else
       # This file contains a different incorrect full path. Fix it.
       # This regex finds a path-like string ending in the filename.
       replacement_path=${replacement_path#%source-crs/}
-      sed -i -e "s|[^[:space:]\`[,]*${escaped_file_name}|${replacement_path}|g" "$target_file"
+      sedi -e "s|[^[:space:]\`[,]*${escaped_file_name}|${replacement_path}|g" "$target_file"
     fi
   done
 done