diff --git a/CMakeLists.txt b/CMakeLists.txt
index b642e6e..ac7d2f5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,6 +8,11 @@ if (${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR})
     )
 endif()
 
+if(TARGET tempest)
+    # Guard for use as transitive dependency
+    return()
+endif()
+
 # Project
 project(tempest)