diff --git a/cmake/FindLMDB.cmake b/cmake/FindLMDB.cmake
--- a/cmake/FindLMDB.cmake
+++ b/cmake/FindLMDB.cmake
@@ -17,8 +17,10 @@
   set(LMDB_FIND_QUIETLY TRUE)
 endif (LMDB_INCLUDE_DIRS AND LMDB_LIBRARIES)
 
+set(LIB_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
+
 find_path(LMDB_INCLUDE_DIRS NAMES "lmdb.h" HINTS "$ENV{LMDB_DIR}/include")
-find_library(LMDB_LIBRARIES NAMES lmdb HINTS $ENV{LMDB_DIR}/lib )
+find_library(LMDB_LIBRARIES NAMES lmdb HINTS "${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX}" "$ENV{LMDB_DIR}/lib${LIB_SUFFIX}")
 
 include(FindPackageHandleStandardArgs)
 FIND_PACKAGE_HANDLE_STANDARD_ARGS(LMDB DEFAULT_MSG LMDB_INCLUDE_DIRS LMDB_LIBRARIES)