diff --git a/Build.md b/Build.md
index 68b98fa80..b83271aaa 100644
--- a/Build.md
+++ b/Build.md
@@ -95,7 +95,7 @@ The cmake-build-environment provides options to configure the build. The followi
 - **ASSIMP_BUILD_ZLIB (default OFF)**: Build our own zlib.
 - **ASSIMP_BUILD_ALL_EXPORTERS_BY_DEFAULT (default ON)**: Build Assimp with all exporter senabled.
 - **ASSIMP_BUILD_ALL_IMPORTERS_BY_DEFAULT (default ON)**: Build Assimp with all importer senabled.
-- **ASSIMP_BUILD_ASSIMP_TOOLS (default ON)**: If the supplementary tools for Assimp are built in addition to the library.
+- **ASSIMP_BUILD_ASSIMP_TOOLS (default OFF)**: If the supplementary tools for Assimp are built in addition to the library.
 - **ASSIMP_BUILD_SAMPLES (default OFF)**: If the official samples are built as well (needs Glut).
 - **ASSIMP_BUILD_TESTS (default ON)**: If the test suite for Assimp is built in addition to the library.
 - **ASSIMP_COVERALLS (default OFF)**: Enable this to measure test coverage.