diff --git a/cmake/QtPublicSbomHelpers.cmake b/cmake/QtPublicSbomHelpers.cmake
index 45342c2efb6..74bf58e6246 100644
--- a/cmake/QtPublicSbomHelpers.cmake
+++ b/cmake/QtPublicSbomHelpers.cmake
@@ -538,7 +538,7 @@ function(_qt_internal_setup_sbom)
     # Main SBOM toggle. Used to be the toggle for SPDX v2.3 only, but now would also enable Cyclone
     # DX as well.
     set(sbom_help_string "Generate SBOM.")
-    option(QT_GENERATE_SBOM "${sbom_help_string}" "${default_value}")
+    option(QT_GENERATE_SBOM "${sbom_help_string}" OFF)
 
 
     # Toggle for SPDX V2.3 generation.