diff --git a/CMakeModules/morse/find/FindHWLOC.cmake b/CMakeModules/morse/find/FindHWLOC.cmake
index 7f640fabc6138f5fa12f62aea2fe20d4345a6dd1..2f6f74adc84ee8b7d384744c55a41c6b6ff080a2 100644
--- a/CMakeModules/morse/find/FindHWLOC.cmake
+++ b/CMakeModules/morse/find/FindHWLOC.cmake
@@ -47,6 +47,7 @@
 
 include(CheckStructHasMember)
 include(CheckCSourceCompiles)
+include(CheckLibraryExists)
 
 if (NOT HWLOC_FOUND)
     set(HWLOC_DIR "" CACHE PATH "Installation directory of HWLOC library")