diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6a0e003..7a19127 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -285,9 +285,9 @@
 
 if (NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/framework/CMakeLists.txt")
     if (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/.git/")
-        message(FATAL_ERROR "${MBEDTLS_FRAMEWORK_DIR}/CMakeLists.txt not found (and does appear to be a git checkout). Run `git submodule update --init` from the source tree to fetch the submodule contents.")
+        message(FATAL_ERROR "${CMAKE_CURRENT_SOURCE_DIR}CMakeLists.txt not found (and does appear to be a git checkout). Run `git submodule update --init` from the source tree to fetch the submodule contents.")
     else ()
-        message(FATAL_ERROR "${MBEDTLS_FRAMEWORK_DIR}/CMakeLists.txt not found (and does not appear to be a git checkout). Please ensure you have downloaded the right archive from the release page on GitHub.")
+        message(FATAL_ERROR "${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt not found (and does not appear to be a git checkout). Please ensure you have downloaded the right archive from the release page on GitHub.")
     endif()
 endif()
 add_subdirectory(framework)