diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index e6d20ee..cdb651b 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -4,7 +4,7 @@ find_package(CURL REQUIRED)
 
 # Write version in header.
 configure_file ("version.hpp.in"
-  "${PROJECT_BINARY_DIR}/version.hpp" @ONLY)
+  "${CMAKE_CURRENT_BINARY_DIR}/version.hpp" @ONLY)
 
 add_library(${PROJECT_NAME})
 
@@ -19,7 +19,7 @@ set_target_properties(${PROJECT_NAME} PROPERTIES
 
 target_include_directories(${PROJECT_NAME}
   PRIVATE
-  "$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/src>" # version.hpp
+  "$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>" # version.hpp
   PUBLIC
   "$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>"
   "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>")
diff --git a/src/curl_wrapper.cpp b/src/curl_wrapper.cpp
index b4b9dde..996f5fb 100644
--- a/src/curl_wrapper.cpp
+++ b/src/curl_wrapper.cpp
@@ -17,8 +17,10 @@
 #include "curl_wrapper.hpp"
 #include "exceptions.hpp"
 #include "log.hpp"
+#include "version.hpp"
 
 #include <cstdint>
+#include <cstring>
 
 namespace mastodonpp
 {
@@ -180,6 +182,15 @@ void CURLWrapper::setup_curl()
         throw CURLException{code, "Failed to set write data",
                 _curl_buffer_error};
     }
+
+    // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
+    code = curl_easy_setopt(_connection, CURLOPT_USERAGENT,
+                            string("mastorss/").append(version).c_str());
+    if (code != CURLE_OK)
+    {
+        throw CURLException{code, "Failed to set User-Agent",
+                _curl_buffer_error};
+    }
 }
 
 } // namespace mastodonpp