diff --git a/cmake/FindGflags.cmake b/cmake/FindGflags.cmake
index 32c04ea..6ac3fdb 100644
--- a/cmake/FindGflags.cmake
+++ b/cmake/FindGflags.cmake
@@ -394,7 +394,7 @@ if (GFLAGS_PREFER_EXPORTED_GFLAGS_CMAKE_CONFIGURATION)
   if (FOUND_INSTALLED_GFLAGS_CMAKE_CONFIGURATION)
     message(STATUS "Detected gflags version: ${gflags_VERSION}")
     set(GFLAGS_FOUND ${gflags_FOUND})
-    set(GFLAGS_INCLUDE_DIR ${gflags_INCLUDE_DIR})
+    set(GFLAGS_INCLUDE_DIR "/usr/include")
     set(GFLAGS_LIBRARY ${gflags_LIBRARIES})
 
     # gflags does not export the namespace in their CMake configuration, so