--- a/googlemock/CMakeLists.txt
+++ b/googlemock/CMakeLists.txt
@@ -106,10 +106,10 @@
 if (DEFINED CMAKE_VERSION AND NOT "${CMAKE_VERSION}" VERSION_LESS "2.8.11")
   target_include_directories(gmock SYSTEM INTERFACE
     "$<BUILD_INTERFACE:${gmock_build_include_dirs}>"
-    "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${CMAKE_INSTALL_INCLUDEDIR}>")
+    "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>")
   target_include_directories(gmock_main SYSTEM INTERFACE
     "$<BUILD_INTERFACE:${gmock_build_include_dirs}>"
-    "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${CMAKE_INSTALL_INCLUDEDIR}>")
+    "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>")
 endif()
 
 ########################################################################
--- a/googletest/CMakeLists.txt
+++ b/googletest/CMakeLists.txt
@@ -126,10 +126,10 @@
 if (DEFINED CMAKE_VERSION AND NOT "${CMAKE_VERSION}" VERSION_LESS "2.8.11")
   target_include_directories(gtest SYSTEM INTERFACE
     "$<BUILD_INTERFACE:${gtest_build_include_dirs}>"
-    "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${CMAKE_INSTALL_INCLUDEDIR}>")
+    "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>")
   target_include_directories(gtest_main SYSTEM INTERFACE
     "$<BUILD_INTERFACE:${gtest_build_include_dirs}>"
-    "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${CMAKE_INSTALL_INCLUDEDIR}>")
+    "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>")
 endif()
 target_link_libraries(gtest_main PUBLIC gtest)