diff --git a/bap-builder/PackageMode.go b/bap-builder/PackageMode.go
index 380f70a..593b307 100644
--- a/bap-builder/PackageMode.go
+++ b/bap-builder/PackageMode.go
@@ -215,15 +215,15 @@ func BuildPackage(cmdLine *BuildPackageCmdLineArgs, contextPath string) error {
 	}
 	buildAll := cmdLine.All
 	if *buildAll {
-		return buildAllPackages(cmdLine, contextPath, platformString)
+		return buildAllPackages(cmdLine, contextPath)
 	}
-	return buildSinglePackage(cmdLine, contextPath, platformString)
+	return buildSinglePackage(cmdLine, contextPath)
 }
 
 // buildAllPackages
 // Builds all packages specified in contextPath. Also takes care of building all deps for all
 // packages in correct order. It returns nil if everything is ok, or not nil in case of error.
-func buildAllPackages(cmdLine *BuildPackageCmdLineArgs, contextPath string, platformString *bringauto_package.PlatformString) error {
+func buildAllPackages(cmdLine *BuildPackageCmdLineArgs, contextPath string) error {
 	contextManager := ContextManager{
 		ContextPath: contextPath,
 	}
@@ -246,12 +246,12 @@ func buildAllPackages(cmdLine *BuildPackageCmdLineArgs, contextPath string, plat
 
 	count := int32(0)
 	for _, config := range configList {
-		buildConfigs := config.GetBuildStructure(*cmdLine.DockerImageName, platformString)
+		buildConfigs := config.GetBuildStructure(*cmdLine.DockerImageName)
 		if len(buildConfigs) == 0 {
 			continue
 		}
 		count++
-		err = buildAndCopyPackage(cmdLine, &buildConfigs, platformString)
+		err = buildAndCopyPackage(cmdLine, &buildConfigs)
 		if err != nil {
 			logger.Fatal("cannot build package '%s' - %s", config.Package.Name, err)
 		}
@@ -266,7 +266,7 @@ func buildAllPackages(cmdLine *BuildPackageCmdLineArgs, contextPath string, plat
 // buildSinglePackage
 // Builds single package specified by name in cmdLine. Also takes care of building all deps for
 // given package in correct order. It returns nil if everything is ok, or not nil in case of error.
-func buildSinglePackage(cmdLine *BuildPackageCmdLineArgs, contextPath string, platformString *bringauto_package.PlatformString) error {
+func buildSinglePackage(cmdLine *BuildPackageCmdLineArgs, contextPath string) error {
 	contextManager := ContextManager{
 		ContextPath: contextPath,
 	}
@@ -305,8 +305,8 @@ func buildSinglePackage(cmdLine *BuildPackageCmdLineArgs, contextPath string, pl
 	}
 
 	for _, config := range configList {
-		buildConfigs := config.GetBuildStructure(*cmdLine.DockerImageName, platformString)
-		err = buildAndCopyPackage(cmdLine, &buildConfigs, platformString)
+		buildConfigs := config.GetBuildStructure(*cmdLine.DockerImageName)
+		err = buildAndCopyPackage(cmdLine, &buildConfigs)
 		if err != nil {
 			logger.Fatal("cannot build package '%s' - %s", packageName, err)
 		}
@@ -336,7 +336,7 @@ func addConfigsToDefsMap(defsMap *ConfigMapType, packageJsonPathList []string) {
 
 // buildAndCopyPackage
 // Builds single package, takes care of every step of build for single package.
-func buildAndCopyPackage(cmdLine *BuildPackageCmdLineArgs, build *[]bringauto_build.Build, platformString *bringauto_package.PlatformString) error {
+func buildAndCopyPackage(cmdLine *BuildPackageCmdLineArgs, build *[]bringauto_build.Build) error {
 	if *cmdLine.OutputDirMode != OutputDirModeGitLFS {
 		return fmt.Errorf("invalid OutputDirmode. Only GitLFS is supported")
 	}
@@ -355,6 +355,11 @@ func buildAndCopyPackage(cmdLine *BuildPackageCmdLineArgs, build *[]bringauto_bu
 	logger := bringauto_log.GetLogger()
 
 	for _, buildConfig := range *build {
+		platformString, err := determinePlatformStringFromBuild(&buildConfig)
+		if err != nil {
+			return err
+		}
+
 		logger.Info("Build %s", buildConfig.Package.GetFullPackageName())
 
 		sysroot := bringauto_sysroot.Sysroot{
@@ -397,6 +402,28 @@ func buildAndCopyPackage(cmdLine *BuildPackageCmdLineArgs, build *[]bringauto_bu
 	return err
 }
 
+// determinePlatformString will construct platform string suitable
+// for sysroot.
+// For example: the any_machine platformString must be copied to all machine-specific sysroot for
+// a given image.
+func determinePlatformStringFromBuild(build *bringauto_build.Build) (*bringauto_package.PlatformString, error) {
+	platformStringSpecialized := build.Package.PlatformString
+	if build.Package.PlatformString.Mode == bringauto_package.ModeAnyMachine {
+		platformStringStruct := bringauto_package.PlatformString{
+			Mode: bringauto_package.ModeAuto,
+		}
+		platformStringStruct.Mode = bringauto_package.ModeAuto
+		err := bringauto_prerequisites.Initialize[bringauto_package.PlatformString](&platformStringStruct,
+			build.SSHCredentials, build.Docker,
+		)
+		if err != nil {
+			return nil, err
+		}
+		platformStringSpecialized.String.Machine = platformStringStruct.String.Machine
+	}
+	return &platformStringSpecialized, nil
+}
+
 // determinePlatformString
 // Will construct platform string suitable for sysroot.
 func determinePlatformString(dockerImageName string) (*bringauto_package.PlatformString, error) {
diff --git a/modules/bringauto_config/Config.go b/modules/bringauto_config/Config.go
index 8f44db7..fbd71b3 100644
--- a/modules/bringauto_config/Config.go
+++ b/modules/bringauto_config/Config.go
@@ -6,6 +6,7 @@ import (
 	"bringauto/modules/bringauto_git"
 	"bringauto/modules/bringauto_package"
 	"bringauto/modules/bringauto_prerequisites"
+	"bringauto/modules/bringauto_ssh"
 	"encoding/json"
 	"fmt"
 	"os"
@@ -82,13 +83,13 @@ func (config *Config) SaveToJSONConfig(configPath string) error {
 
 // Returns array of builds structs for specific image name. The returned array will contain max one build.
 // It is an array for simple handling of result using for loop.
-func (config *Config) GetBuildStructure(imageName string, platformString *bringauto_package.PlatformString) []bringauto_build.Build {
+func (config *Config) GetBuildStructure(imageName string) []bringauto_build.Build {
 	var buildConfigs []bringauto_build.Build
 	for _, value := range config.DockerMatrix.ImageNames {
 		if imageName != "" && imageName != value {
 			continue
 		}
-		build := config.fillBuildStructure(imageName, platformString)
+		build := config.fillBuildStructure(value)
 		defaultBuild := bringauto_prerequisites.CreateAndInitialize[bringauto_build.Build]()
 		err := copier.CopyWithOption(defaultBuild, build, copier.Option{DeepCopy: true, IgnoreEmpty: true})
 		if err != nil {
@@ -100,7 +101,7 @@ func (config *Config) GetBuildStructure(imageName string, platformString *bringa
 	return buildConfigs
 }
 
-func (config *Config) fillBuildStructure(dockerImageName string, platformString *bringauto_package.PlatformString) bringauto_build.Build {
+func (config *Config) fillBuildStructure(dockerImageName string) bringauto_build.Build {
 	var err error
 	defaultDocker := bringauto_prerequisites.CreateAndInitialize[bringauto_docker.Docker]()
 	defaultDocker.ImageName = dockerImageName
@@ -121,11 +122,10 @@ func (config *Config) fillBuildStructure(dockerImageName string, platformString
 		panic(err)
 	}
 
+	sshCreds := bringauto_prerequisites.CreateAndInitialize[bringauto_ssh.SSHCredentials]()
 	tmpPackage := config.Package
-	err = bringauto_prerequisites.Initialize(&tmpPackage)
-	if platformString != nil {
-		tmpPackage.PlatformString = *platformString
-	}
+
+	err = bringauto_prerequisites.Initialize(&tmpPackage, sshCreds, defaultDocker)
 	if err != nil {
 		panic(err)
 	}