diff --git a/files/files.go b/files/files.go
index d54566b..5f03a10 100644
--- a/files/files.go
+++ b/files/files.go
@@ -2,12 +2,13 @@ package files
 
 import (
 	"errors"
-	"log"
+	"fmt"
 	"path/filepath"
 	"strings"
 
 	"github.com/adrg/xdg"
 	"github.com/bouncepaw/mycorrhiza/util"
+	"github.com/mitchellh/go-homedir"
 )
 
 var paths struct {
@@ -55,28 +56,43 @@ func tokenStoragePath() (string, error) {
 }
 
 func registrationCredentialsPath() (string, error) {
-	path, err := filepath.Abs(util.RegistrationCredentialsPath)
-	if err != nil {
-		return "", nil
+	var err error
+	path := util.RegistrationCredentialsPath
+
+	if len(path) == 0 {
+		path, err = xdg.DataFile("mycorrhiza/registration.json")
+		if err != nil {
+			return "", fmt.Errorf("cannot get a file to registration credentials, so no registered users will be saved: %w", err)
+		}
+	} else {
+		path, err = homedir.Expand(path)
+		if err != nil {
+			return "", fmt.Errorf("cannot expand RegistrationCredentialsPath: %w", err)
+		}
+
+		path, err = filepath.Abs(path)
+		if err != nil {
+			return "", fmt.Errorf("cannot expand RegistrationCredentialsPath: %w", err)
+		}
 	}
 
-	if path == "" {
-		dir, err := xdg.DataFile("mycorrhiza/registration.json")
-		if err != nil {
-			log.Println("Error: cannot get a file to registration credentials, so no registered users will be saved:", err)
-			return "", err
-		}
-		path = dir
-	}
 	return path, nil
 }
 
 func fixedCredentialsPath() (string, error) {
 	var err error
-	var path = ""
+	path := util.FixedCredentialsPath
 
-	if len(util.FixedCredentialsPath) > 0 {
-		path, err = filepath.Abs(util.FixedCredentialsPath)
+	if len(path) > 0 {
+		path, err = homedir.Expand(path)
+		if err != nil {
+			return "", fmt.Errorf("cannot expand FixedAuthCredentialsPath: %w", err)
+		}
+
+		path, err = filepath.Abs(path)
+		if err != nil {
+			return "", fmt.Errorf("cannot expand FixedAuthCredentialsPath: %w", err)
+		}
 	}
-	return path, err
+	return path, nil
 }
diff --git a/go.mod b/go.mod
index 6f4d76d..7e4d01e 100644
--- a/go.mod
+++ b/go.mod
@@ -8,6 +8,7 @@ require (
 	github.com/go-ini/ini v1.62.0
 	github.com/gorilla/feeds v1.1.1
 	github.com/kr/pretty v0.2.1 // indirect
+	github.com/mitchellh/go-homedir v1.1.0
 	github.com/smartystreets/goconvey v1.6.4 // indirect
 	github.com/valyala/quicktemplate v1.6.3
 	golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2
diff --git a/go.sum b/go.sum
index 5c4b13d..16305f9 100644
--- a/go.sum
+++ b/go.sum
@@ -20,6 +20,8 @@ github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfn
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG+4E0Y=
+github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=