diff --git a/src/map/lapack2flamec/f2c/install/static/lsame.c b/src/map/lapack2flamec/f2c/install/static/lsame.c
index 75cb81c44..4093aa074 100644
--- a/src/map/lapack2flamec/f2c/install/static/lsame.c
+++ b/src/map/lapack2flamec/f2c/install/static/lsame.c
@@ -14,7 +14,7 @@
 #include "FLA_f2c.h"
 #include "stdio.h"
 
-#ifdef FLA_ENABLE_LAPACK2FLAME
+#if defined(FLA_ENABLE_LAPACK2FLAME) || ! defined(FLA_ENABLE_BUILTIN_BLAS)
 logical lsame_(char *ca, char *cb)
 {
     /* System generated locals */