diff --git a/cmake/extern/CURL.txt.in b/cmake/extern/CURL.txt.in
index b03d6f9a..93f90097 100644
--- a/cmake/extern/CURL.txt.in
+++ b/cmake/extern/CURL.txt.in
@@ -1,6 +1,8 @@
 
 cmake_minimum_required(VERSION 3.2)
 
+project(curl-download)
+
 include(ExternalProject)
 
 # ------------------------------------------------------------------------------
diff --git a/cmake/extern/GTest.txt.in b/cmake/extern/GTest.txt.in
index 4d4372eb..1f7aa71c 100644
--- a/cmake/extern/GTest.txt.in
+++ b/cmake/extern/GTest.txt.in
@@ -1,6 +1,8 @@
 
 cmake_minimum_required(VERSION 3.2)
 
+project(googletest-download)
+
 include(ExternalProject)
 
 # ------------------------------------------------------------------------------