diff --git a/src/easy/entities/tag.cpp b/src/easy/entities/tag.cpp
index 3421144..1003552 100644
--- a/src/easy/entities/tag.cpp
+++ b/src/easy/entities/tag.cpp
@@ -70,12 +70,12 @@ bool Tag::History::valid() const
     return Entity::check_valid(attributes);
 }
 
-uint64_t Tag::History::accounts()
+uint64_t Tag::History::accounts() const
 {
     return stouint64(get_string("accounts"));
 }
 
-const Easy::time_type Tag::History::day()
+const Easy::time_type Tag::History::day() const
 {
     const Json::Value node = get("day");
 
@@ -89,7 +89,7 @@ const Easy::time_type Tag::History::day()
     return Easy::time_type();
 }
 
-uint64_t Tag::History::uses()
+uint64_t Tag::History::uses() const
 {
     return stouint64(get_string("uses"));
 }
diff --git a/src/easy/entities/tag.hpp b/src/easy/entities/tag.hpp
index d52855b..8814095 100644
--- a/src/easy/entities/tag.hpp
+++ b/src/easy/entities/tag.hpp
@@ -55,21 +55,21 @@ namespace Easy
              *
              *  @since  0.16.0
              */
-            uint64_t accounts();
+            uint64_t accounts() const;
 
             /*!
              *  @brief  Returns the day.
              *
              *  @since  0.16.0
              */
-            const Easy::time_type day();
+            const Easy::time_type day() const;
 
             /*!
-             *  @brief  Returns the number of accounts using that hashtag.
+             *  @brief  Returns the number of statuses with that hashtag.
              *
              *  @since  0.16.0
              */
-            uint64_t uses();
+            uint64_t uses() const;
         };
 
         using Entity::Entity;