diff --git a/cmake/FindCOIN.cmake b/cmake/FindCOIN.cmake
--- a/cmake/FindCOIN.cmake
+++ b/cmake/FindCOIN.cmake
@@ -61,8 +61,8 @@
 )
 
 IF(COIN_FOUND)
-  SET(HAVE_LP TRUE)
-  SET(HAVE_MIP TRUE)
-  SET(HAVE_CLP TRUE)
-  SET(HAVE_CBC TRUE)
+  SET(LEMON_HAVE_LP TRUE)
+  SET(LEMON_HAVE_MIP TRUE)
+  SET(LEMON_HAVE_CLP TRUE)
+  SET(LEMON_HAVE_CBC TRUE)
 ENDIF(COIN_FOUND)