diff --git a/cmake/FindCPLEX.cmake b/cmake/FindCPLEX.cmake
--- a/cmake/FindCPLEX.cmake
+++ b/cmake/FindCPLEX.cmake
@@ -21,7 +21,7 @@
 MARK_AS_ADVANCED(CPLEX_LIBRARY CPLEX_INCLUDE_DIR CPLEX_BIN_DIR)
 
 IF(CPLEX_FOUND)
-  SET(HAVE_LP TRUE)
-  SET(HAVE_MIP TRUE)
-  SET(HAVE_CPLEX TRUE)
+  SET(LEMON_HAVE_LP TRUE)
+  SET(LEMON_HAVE_MIP TRUE)
+  SET(LEMON_HAVE_CPLEX TRUE)
 ENDIF(CPLEX_FOUND)