diff --git a/cmake_modules/FindSuiteSparse.cmake b/cmake_modules/FindSuiteSparse.cmake
index 75a8579fe97f8d953fb5b9e688aa66dfe2b9003d..fb2583c1ab22fe298d46acb20807c17318c28eeb 100644
--- a/cmake_modules/FindSuiteSparse.cmake
+++ b/cmake_modules/FindSuiteSparse.cmake
@@ -122,5 +122,5 @@ IF (SUITESPARSE_INCLUDE_DIRS AND SUITESPARSE_LIBRARIES)
    MESSAGE(STATUS "Found SuiteSparse")
 ELSE (SUITESPARSE_INCLUDE_DIRS AND SUITESPARSE_LIBRARIES)
    SET( SUITESPARSE_FOUND FALSE )
+   MESSAGE(FATAL_ERROR "Unable to find SuiteSparse")
 ENDIF (SUITESPARSE_INCLUDE_DIRS AND SUITESPARSE_LIBRARIES)
-