diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7bc03ee..61a7a35 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -180,12 +180,14 @@ coretrace_add_tool(
 # ============
 #  FORMATTING
 # ============
-add_custom_target(format
-  COMMAND "${CMAKE_CURRENT_SOURCE_DIR}/scripts/format.sh"
-  WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
-  COMMENT "Run clang-format on source files")
-
-add_custom_target(format-check
-  COMMAND "${CMAKE_CURRENT_SOURCE_DIR}/scripts/format-check.sh"
-  WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
-  COMMENT "Verify clang-format compliance")
+if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
+  add_custom_target(format
+    COMMAND "${CMAKE_CURRENT_SOURCE_DIR}/scripts/format.sh"
+    WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+    COMMENT "Run clang-format on source files")
+
+  add_custom_target(format-check
+    COMMAND "${CMAKE_CURRENT_SOURCE_DIR}/scripts/format-check.sh"
+    WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+    COMMENT "Verify clang-format compliance")
+endif()