diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8156fdaf..7c87eece 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -37,8 +37,8 @@ if(USE_WMAIN)
     set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /ENTRY:wmainCRTStartup")
 endif()
 
-find_package(PythonInterp)
 if (BUILD_TESTING AND CATCH_BUILD_TESTING AND NOT_SUBPROJECT)
+    find_package(PythonInterp)
     if (NOT PYTHONINTERP_FOUND)
         message(FATAL_ERROR "Python not found, but required for tests")
     endif()