diff --git a/CMakeLists.txt b/CMakeLists.txt
index a41808742..e170ea596 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -68,6 +68,7 @@ find_package(ZLIB REQUIRED)
 find_package(FFmpeg REQUIRED)
 find_package(Opus REQUIRED)
 find_package(Qt5 COMPONENTS Core Gui Widgets Network REQUIRED)
+find_package(Python3 REQUIRED)
 
 if (NOT SWSCALE_FOUND)
     message(FATAL_ERROR "FFmpeg swscale is required")
diff --git a/Telegram/CMakeLists.txt b/Telegram/CMakeLists.txt
index 8b31a6613..767f0df52 100644
--- a/Telegram/CMakeLists.txt
+++ b/Telegram/CMakeLists.txt
@@ -103,7 +103,7 @@ add_custom_command(
         scheme.cpp
         scheme.h
     COMMAND
-        python ${CMAKE_CURRENT_SOURCE_DIR}/SourceFiles/codegen/scheme/codegen_scheme.py
+        ${Python3_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/SourceFiles/codegen/scheme/codegen_scheme.py
         -o${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/Resources/scheme.tl
     WORKING_DIRECTORY .
     DEPENDS