diff --git a/Source/CMakeLists.txt b/Source/CMakeLists.txt
index 3e0eca6ff6..89e5d46740 100644
--- a/Source/CMakeLists.txt
+++ b/Source/CMakeLists.txt
@@ -1,3 +1,4 @@
+INCLUDE(CheckIncludeFile)
 # Check if we can build support for ELF parsing.
 CHECK_INCLUDE_FILE("elf.h" HAVE_ELF_H)
 IF(HAVE_ELF_H)