diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6bf9093ce..6dfc93cec 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -148,7 +148,7 @@ if(UNIT_TEST)
   if(GTEST_LIBRARY STREQUAL "GTEST_LIBRARY-NOTFOUND")
     set(GTEST_SRC_DIR_DEFAULT /usr/src/gtest)
     if (CMAKE_CROSSCOMPILING)
-      set(GTEST_SRC_DIR_DEFAULT third_party/googletest/src/googletest)
+      set(GTEST_SRC_DIR_DEFAULT ${CMAKE_SOURCE_DIR}/third_party/googletest/src/googletest)
     endif()
     set(GTEST_SRC_DIR ${GTEST_SRC_DIR_DEFAULT} CACHE STRING "Location of gtest sources")
     if(EXISTS ${GTEST_SRC_DIR}/src/gtest-all.cc)