diff --git a/mo/src/CMakeLists.txt b/mo/src/CMakeLists.txt
index d6e7f4185..f3d589e4f 100644
--- a/mo/src/CMakeLists.txt
+++ b/mo/src/CMakeLists.txt
@@ -9,7 +9,7 @@ install(FILES ${HDRS} DESTINATION local/include${INSTALL_SUB_DIR}/mo COMPONENT h
 ### 1) Install directories
 ######################################################################################
 
-install(DIRECTORY acceptCrit algo comparator continuator coolingSchedule eval eplorer memory neighborhood perturb problems sampling
+install(DIRECTORY acceptCrit algo comparator continuator coolingSchedule eval explorer memory neighborhood perturb problems sampling
         DESTINATION local/include${INSTALL_SUB_DIR}/mo 
         COMPONENT headers
         FILES_MATCHING PATTERN "*.h"