diff --git a/src/core/paste/entity.rs b/src/core/paste/entity.rs
index e41e88a..28f4d75 100644
--- a/src/core/paste/entity.rs
+++ b/src/core/paste/entity.rs
@@ -5,6 +5,6 @@ use crate::schema::pastes;
 pub struct Paste {
     pub id: Option<String>,
     pub belongs_to: Option<String>,
-    pub is_url: bool,
+    pub is_url: Option<bool>,
     pub content: String,
 }
diff --git a/src/core/paste/service.rs b/src/core/paste/service.rs
index 3f17aec..85429f0 100644
--- a/src/core/paste/service.rs
+++ b/src/core/paste/service.rs
@@ -5,7 +5,7 @@ use super::entity::Paste;
 use super::postgres;
 
 pub fn create_paste(paste: &mut Paste, conn: &PgConnection) -> Result<usize> {
-    paste.is_url = validator::validate_url(paste.content.clone());
+    paste.is_url = Some(validator::validate_url(paste.content.clone()));
     postgres::create_paste(paste, conn)
 }
 
diff --git a/src/schema.rs b/src/schema.rs
index 74ca95f..614f666 100644
--- a/src/schema.rs
+++ b/src/schema.rs
@@ -2,7 +2,7 @@ table! {
     pastes (id) {
         id -> Nullable<Varchar>,
         belongs_to -> Nullable<Varchar>,
-        is_url -> Bool,
+        is_url -> Nullable<Bool>,
         content -> Text,
     }
 }