diff --git a/Telegram/CMakeLists.txt b/Telegram/CMakeLists.txt
index ceaf1205db..be8940394c 100644
--- a/Telegram/CMakeLists.txt
+++ b/Telegram/CMakeLists.txt
@@ -20,6 +20,7 @@ add_subdirectory(lib_lottie)
 add_subdirectory(lib_qr)
 add_subdirectory(codegen)
 
+include(CheckCXXSourceCompiles)
 include(lib_ui/cmake/generate_styles.cmake)
 include(cmake/generate_lang.cmake)
 include(cmake/generate_numbers.cmake)
@@ -105,6 +106,16 @@ if (NOT DESKTOP_APP_USE_PACKAGED)
     target_link_libraries(Telegram PRIVATE desktop-app::external_opus)
 endif()
 
+# Telegram uses long atomic types, so on some architectures libatomic is needed.
+check_cxx_source_compiles("
+#include <atomic>
+std::atomic_int64_t foo;
+int main() {return foo;}
+" HAVE_LONG_ATOMIC_WITHOUT_LIB)
+if (NOT HAVE_LONG_ATOMIC_WITHOUT_LIB)
+    target_link_libraries(Telegram PRIVATE atomic)
+endif()
+
 target_precompile_headers(Telegram PRIVATE ${src_loc}/stdafx.h)
 nice_target_sources(Telegram ${src_loc}
 PRIVATE