diff --git a/local_builds/README.md b/local_builds/README.md
index d333a009..dd086d49 100644
--- a/local_builds/README.md
+++ b/local_builds/README.md
@@ -36,6 +36,7 @@ Download and use our codebuild_build.sh script to run your local builds.
     * First `-s` is for primary source
     * Use additional `-s` in `<sourceIdentifier>:<sourceLocation>` format for secondary source
     * For `sourceIdentifier`, use a value that is fewer than 128 characters and contains only alphanumeric characters and underscores
+  * `-f`        Used to specify the platform argument to docker command.
 
 **Environment variable file format:**
   * Expects each line to be in VAR=VAL format
diff --git a/local_builds/codebuild_build.sh b/local_builds/codebuild_build.sh
index b2f75bc8..62cef290 100755
--- a/local_builds/codebuild_build.sh
+++ b/local_builds/codebuild_build.sh
@@ -52,6 +52,7 @@ function usage {
     echo "               * Blank lines are ignored"
     echo "               * File can be of type .env or .txt"
     echo "               * There is no special handling of quotation marks, meaning they will be part of the VAL"
+    echo "  -f PLATFORM  Used to specify the platform argument to docker command."
     exit 1
 }
 
@@ -61,7 +62,7 @@ awsconfig_flag=false
 mount_src_dir_flag=false
 docker_privileged_mode_flag=false
 
-while getopts "cmdi:a:r:s:b:e:l:p:h" opt; do
+while getopts "cmdi:a:r:s:b:e:l:p:f:h" opt; do
     case $opt in
         i  ) image_flag=true; image_name=$OPTARG;;
         a  ) artifact_flag=true; artifact_dir=$OPTARG;;
@@ -74,6 +75,7 @@ while getopts "cmdi:a:r:s:b:e:l:p:h" opt; do
         e  ) environment_variable_file=$OPTARG;;
         l  ) local_agent_image=$OPTARG;;
         p  ) aws_profile=$OPTARG;;
+        f  ) docker_platform=$OPTARG;;
         h  ) usage; exit;;
         \? ) echo "Unknown option: -$OPTARG" >&2; exit 1;;
         :  ) echo "Missing option argument for -$OPTARG" >&2; exit 1;;
@@ -182,6 +184,11 @@ else
     docker_command+=" -e \"INITIATOR=$USER\""
 fi
 
+if [ -n "$docker_platform" ]
+then
+    docker_command+=" --platform \"$docker_platform\""
+fi
+
 if [ -n "$local_agent_image" ]
 then
     docker_command+=" $local_agent_image"