diff --git a/cmake/install.cmake b/cmake/install.cmake
index f0f6189..fbb9783 100644
--- a/cmake/install.cmake
+++ b/cmake/install.cmake
@@ -161,7 +161,7 @@
 
 ##################### Export image signing information #########################
 
-if(BL2)
+if(BL2 AND PLATFORM_DEFAULT_IMAGE_SIGNING)
     install(DIRECTORY bl2/ext/mcuboot/scripts
             DESTINATION ${INSTALL_IMAGE_SIGNING_DIR}
             PATTERN "scripts/*.py"