diff --git a/Makefile.system b/Makefile.system
index f67f74e84..8accf75cf 100644
--- a/Makefile.system
+++ b/Makefile.system
@@ -1618,6 +1618,7 @@ ifeq ($(CORE), C910V)
 LAPACK_FFLAGS := $(filter-out -O2 -O3,$(FFLAGS)
 LAPACK_FFLAGS += -O1
 LAPACK_FPFLAGS := $(FPFLAGS)
+endif
 else
 LAPACK_FFLAGS := $(FFLAGS)
 LAPACK_FPFLAGS := $(FPFLAGS)