diff --git a/cmake/re-config.cmake b/cmake/re-config.cmake
index 4fefb4b09..8e9835bb1 100644
--- a/cmake/re-config.cmake
+++ b/cmake/re-config.cmake
@@ -1,6 +1,7 @@
 include(CheckIncludeFile)
 include(CheckFunctionExists)
 include(CheckSymbolExists)
+include(CheckTypeSize)
 
 option(USE_MBEDTLS "Enable MbedTLS" OFF)