diff --git a/cmd/inn.go b/cmd/inn.go
index d76c612..612cd40 100644
--- a/cmd/inn.go
+++ b/cmd/inn.go
@@ -12,8 +12,8 @@ import (
 
 func main() {
 	variables := options.GetVar()
-	resPath := variables.Get("res-path").(string)
-	dataPath := variables.Get("data-path").(string)
+	resPath := variables.GetString("res-path")
+	dataPath := variables.GetString("data-path")
 	var resources fs.FS
 	if resPath == "embed" {
 		resources = res.GetEmbedFS()
diff --git a/server/auth.go b/server/auth.go
index 8b22c3e..d487967 100644
--- a/server/auth.go
+++ b/server/auth.go
@@ -20,7 +20,7 @@ func login(c *gin.Context) {
 		c.JSON(http.StatusBadRequest, gin.H{"error": "Parameters can't be empty"})
 		return
 	}
-	if username != config.Get("username").(string) || password != config.Get("password").(string) {
+	if username != config.Get("username").(string) || password != config.GetString("password") {
 		c.JSON(http.StatusUnauthorized, gin.H{"error": "Authentication failed"})
 		return
 	}
diff --git a/server/handlers.go b/server/handlers.go
index 4e885e9..b74f434 100644
--- a/server/handlers.go
+++ b/server/handlers.go
@@ -18,7 +18,7 @@ import (
 func showIndex(c *gin.Context) {
 	dbConn := c.MustGet("dbConn").(*sql.DB)
 	variables := c.MustGet("variables").(*viper.Viper)
-	pageLength := variables.Get("page-length").(int)
+	pageLength := variables.GetInt("page-length")
 	posts := db.RetrievePage(dbConn, 1, pageLength)
 	c.HTML(http.StatusOK, "index.tmpl", gin.H{
 		"Posts": posts,
@@ -33,9 +33,8 @@ func showPosts(c *gin.Context) {
 	}
 	dbConn := c.MustGet("dbConn").(*sql.DB)
 	variables := c.MustGet("variables").(*viper.Viper)
-	pageLength := variables.Get("page-length").(int)
+	pageLength := variables.GetInt("page-length")
 	posts := db.RetrievePage(dbConn, pageNumber, pageLength)
-
 	c.HTML(http.StatusOK, "posts.tmpl", gin.H{
 		"Posts": posts,
 	})
@@ -65,7 +64,7 @@ func getPosts(c *gin.Context) {
 	}
 	dbConn := c.MustGet("dbConn").(*sql.DB)
 	variables := c.MustGet("variables").(*viper.Viper)
-	pageLength := variables.Get("page-length").(int)
+	pageLength := variables.GetInt("page-length")
 	posts := db.RetrievePage(dbConn, pageNumber, pageLength)
 	c.JSON(http.StatusOK, posts)
 }
@@ -91,7 +90,7 @@ func createPost(c *gin.Context) {
 		if err != nil {
 			log.Println(err)
 		}
-		dataPath := variables.Get("data-path").(string)
+		dataPath := variables.GetString("data-path")
 		files := form.File["files"]
 		var filename string
 		if len(files) != 0 {
diff --git a/server/server.go b/server/server.go
index 791ab7d..64102db 100644
--- a/server/server.go
+++ b/server/server.go
@@ -16,7 +16,7 @@ import (
 )
 
 func Run(resources fs.FS, variables *viper.Viper, config *viper.Viper) {
-	dbConn := db.Open(variables.Get("data-path").(string))
+	dbConn := db.Open(variables.GetString("data-path"))
 	defer dbConn.Close()
 	db.CreateTable(dbConn)
 	r := gin.New()
@@ -27,13 +27,13 @@ func Run(resources fs.FS, variables *viper.Viper, config *viper.Viper) {
 		log.Fatalln(err)
 	}
 	r.StaticFS("/static", http.FS(staticRoot))
-	imagesRoot, err := fs.Sub(os.DirFS(variables.Get("data-path").(string)), "images")
+	imagesRoot, err := fs.Sub(os.DirFS(variables.GetString("data-path")), "images")
 	if err != nil {
 		log.Fatalln(err)
 	}
 	r.StaticFS("/images", http.FS(imagesRoot))
 	r.Use(Middleware(dbConn, variables, config))
-	r.Use(sessions.Sessions("mysession", cookie.NewStore([]byte((config.Get("cookiekey").(string))))))
+	r.Use(sessions.Sessions("mysession", cookie.NewStore([]byte((config.GetString("cookiekey"))))))
 	api := r.Group("/api")
 	api.GET("/posts/:page", getPosts)
 	api.GET("post/:id", getPost)