diff --git a/modules/java/CMakeLists.txt b/modules/java/CMakeLists.txt
index 8cc4bd07a6..c1e1e772ce 100644
--- a/modules/java/CMakeLists.txt
+++ b/modules/java/CMakeLists.txt
@@ -19,7 +19,7 @@ include(${CMAKE_CURRENT_SOURCE_DIR}/common.cmake)
 macro(glob_more_specific_sources _type _root _output)
   unset(_masks)
   if(${_type} STREQUAL "H")
-    set(_masks "${_root}/cpp/*.h" "${root}/cpp/*.hpp")
+    set(_masks "${_root}/cpp/*.h" "${_root}/cpp/*.hpp")
   elseif(${_type} STREQUAL "CPP")
     set(_masks "${_root}/cpp/*.cpp")
   elseif(${_type} STREQUAL "JAVA")