diff --git a/externals/CMakeLists.txt b/externals/CMakeLists.txt
index 788992d81..52265f54f 100644
--- a/externals/CMakeLists.txt
+++ b/externals/CMakeLists.txt
@@ -181,6 +181,7 @@ if(NOT USE_SYSTEM_SOUNDTOUCH)
 endif()
 
 # Teakra
+set(BUILD_TESTING OFF CACHE BOOL "")
 add_subdirectory(teakra EXCLUDE_FROM_ALL)
 
 # SDL2