diff --git a/_tests/integration/modular_config_main.yml b/_tests/integration/modular_config_main.yml
new file mode 100644
index 000000000..ea72c4ef2
--- /dev/null
+++ b/_tests/integration/modular_config_main.yml
@@ -0,0 +1,14 @@
+format_version: "15"
+default_step_lib_source: https://github.com/bitrise-io/bitrise-steplib.git
+
+include:
+- path: modular_config_module.yml
+
+workflows:
+  print_hello_bitrise:
+    envs:
+    - NAME: Bitrise
+    steps:
+    - script:
+        inputs:
+        - content: echo "Hello $NAME!"
diff --git a/_tests/integration/modular_config_module.yml b/_tests/integration/modular_config_module.yml
new file mode 100644
index 000000000..cf6af4934
--- /dev/null
+++ b/_tests/integration/modular_config_module.yml
@@ -0,0 +1,8 @@
+workflows:
+  print_hello_world:
+    envs:
+    - NAME: World
+    steps:
+    - script:
+        inputs:
+        - content: echo "Hello $NAME!"
\ No newline at end of file
diff --git a/_tests/integration/modular_config_test.go b/_tests/integration/modular_config_test.go
new file mode 100644
index 000000000..7bd838cb1
--- /dev/null
+++ b/_tests/integration/modular_config_test.go
@@ -0,0 +1,32 @@
+package integration
+
+import (
+	"testing"
+
+	"github.com/bitrise-io/go-utils/command"
+	"github.com/stretchr/testify/require"
+)
+
+func Test_ModularConfig_Run(t *testing.T) {
+	configPth := "modular_config_main.yml"
+
+	cmd := command.New(binPath(), "validate", "--config", configPth)
+	out, err := cmd.RunAndReturnTrimmedCombinedOutput()
+	require.NoError(t, err, out)
+	require.Equal(t, "Config is valid: \u001B[32;1mtrue\u001B[0m", out)
+
+	cmd = command.New(binPath(), "workflows", "--id-only", "--config", configPth)
+	out, err = cmd.RunAndReturnTrimmedCombinedOutput()
+	require.NoError(t, err, out)
+	require.Equal(t, "print_hello_bitrise print_hello_world", out)
+
+	cmd = command.New(binPath(), "run", "print_hello_bitrise", "--config", configPth)
+	out, err = cmd.RunAndReturnTrimmedCombinedOutput()
+	require.NoError(t, err, out)
+	require.Contains(t, out, "Hello Bitrise!")
+
+	cmd = command.New(binPath(), "run", "print_hello_world", "--config", configPth)
+	out, err = cmd.RunAndReturnTrimmedCombinedOutput()
+	require.NoError(t, err, out)
+	require.Contains(t, out, "Hello World!")
+}
diff --git a/configmerge/configmerge.go b/configmerge/configmerge.go
index 912129991..24c07a79a 100644
--- a/configmerge/configmerge.go
+++ b/configmerge/configmerge.go
@@ -7,6 +7,8 @@ import (
 	"path/filepath"
 	"strings"
 
+	"github.com/bitrise-io/bitrise/log"
+
 	"github.com/bitrise-io/bitrise/models"
 	"github.com/bitrise-io/go-utils/sliceutil"
 	logV2 "github.com/bitrise-io/go-utils/v2/log"
@@ -53,7 +55,7 @@ type Merger struct {
 	fileReader       FileReader
 	logger           logV2.Logger
 
-	repoInfo RepoInfo
+	repoInfo *RepoInfo
 
 	filesCount int
 }
@@ -70,16 +72,20 @@ func (m *Merger) MergeConfig(mainConfigPth string) (string, *models.ConfigFileTr
 	repoDir := filepath.Dir(mainConfigPth)
 	repoInfo, err := m.repoInfoProvider.GetRepoInfo(repoDir)
 	if err != nil {
-		return "", nil, err
+		log.Debug("Failed to get repository info: %s", err)
+	} else {
+		m.repoInfo = repoInfo
 	}
-	m.repoInfo = *repoInfo
 
 	mainConfigRef := ConfigReference{
-		Repository: repoInfo.DefaultRemoteURL,
-		Commit:     repoInfo.Commit,
-		Tag:        repoInfo.Tag,
-		Branch:     repoInfo.Branch,
-		Path:       mainConfigPth,
+		Path: mainConfigPth,
+	}
+
+	if repoInfo != nil {
+		mainConfigRef.Repository = repoInfo.DefaultRemoteURL
+		mainConfigRef.Commit = repoInfo.Commit
+		mainConfigRef.Tag = repoInfo.Tag
+		mainConfigRef.Branch = repoInfo.Branch
 	}
 
 	mainConfigBytes, err := m.fileReader.ReadFileFromFileSystem(mainConfigPth)
@@ -171,27 +177,33 @@ func (m *Merger) buildConfigTree(configContent []byte, reference ConfigReference
 	}, nil
 }
 
-func (m *Merger) readConfigModule(reference ConfigReference, info RepoInfo) ([]byte, error) {
+func (m *Merger) readConfigModule(reference ConfigReference, repoInfo *RepoInfo) ([]byte, error) {
 	if isLocalReference(reference) {
 		return m.readLocalConfigModule(reference)
 	}
 
-	if sameRepo, err := isSameRepoReference(reference, info); err != nil {
-		m.logger.Warnf("Failed to check if the reference is from the same repository: %s", err)
-	} else if sameRepo {
+	sameRepo := false
+	if repoInfo != nil {
+		var err error
+		if sameRepo, err = isSameRepoReference(reference, *repoInfo); err != nil {
+			m.logger.Warnf("Failed to check if the reference is from the same repository: %s", err)
+		}
+	}
+
+	if sameRepo {
 		return m.readLocalConfigModule(reference)
 	}
 
 	return m.readRemoteConfigModule(reference)
 }
 
-func isSameRepoReference(reference ConfigReference, info RepoInfo) (bool, error) {
+func isSameRepoReference(reference ConfigReference, repoInfo RepoInfo) (bool, error) {
 	refGitUrl, err := parseGitRepoURL(reference.Repository)
 	if err != nil {
 		return false, err
 	}
 
-	repoGitURL, err := parseGitRepoURL(info.DefaultRemoteURL)
+	repoGitURL, err := parseGitRepoURL(repoInfo.DefaultRemoteURL)
 	if err != nil {
 		return false, err
 	}
@@ -202,12 +214,12 @@ func isSameRepoReference(reference ConfigReference, info RepoInfo) (bool, error)
 
 	switch {
 	case reference.Commit != "":
-		return reference.Commit == info.Commit ||
-			reference.Commit == info.Commit[:7], nil
+		return reference.Commit == repoInfo.Commit ||
+			reference.Commit == repoInfo.Commit[:7], nil
 	case reference.Tag != "":
-		return reference.Tag == info.Tag, nil
+		return reference.Tag == repoInfo.Tag, nil
 	case reference.Branch != "":
-		return reference.Branch == info.Branch, nil
+		return reference.Branch == repoInfo.Branch, nil
 	}
 
 	return true, nil
diff --git a/configs/configs.go b/configs/configs.go
index a3e268329..dd811c107 100644
--- a/configs/configs.go
+++ b/configs/configs.go
@@ -75,7 +75,7 @@ const (
 
 const (
 	selfUpdateInterval   = 24 * time.Hour
-	pluginUpdateInterval = 24 * time.Hour
+	PluginUpdateInterval = 24 * time.Hour
 )
 
 // IsDebugUseSystemTools ...
@@ -164,7 +164,7 @@ func CheckIsPluginUpdateCheckRequired(plugin string) bool {
 	}
 
 	duration := time.Now().Sub(config.LastPluginUpdateChecks[plugin])
-	if duration >= pluginUpdateInterval {
+	if duration >= PluginUpdateInterval {
 		return true
 	}