diff --git a/Makefile.system b/Makefile.system
index c7d270578..2ecc26676 100644
--- a/Makefile.system
+++ b/Makefile.system
@@ -1614,7 +1614,7 @@ ifdef OS_WINDOWS
 LAPACK_FFLAGS := $(filter-out -fopenmp -mp -openmp -xopenmp=parallel,$(FFLAGS))
 LAPACK_FPFLAGS := $(filter-out -fopenmp -mp -openmp -xopenmp=parallel,$(FPFLAGS))
 else
-ifeq ($(CORE), C910V))
+ifeq ($(CORE),C910V)
 LAPACK_FFLAGS := $(filter-out -O2,$(FFLAGS))
 LAPACK_FFLAGS += -O1
 else