diff --git a/headers/libs/lp_solve/lp_lib.h b/headers/libs/lp_solve/lp_lib.h
index 44d89603f1..9d84610974 100644
--- a/headers/libs/lp_solve/lp_lib.h
+++ b/headers/libs/lp_solve/lp_lib.h
@@ -100,7 +100,7 @@
 
 /* Specify use of the basic linear algebra subroutine library                */
 /* ------------------------------------------------------------------------- */
-#define libBLAS                  2        /* 0: No, 1: Internal, 2: External */
+#define libBLAS                  1        /* 0: No, 1: Internal, 2: External */
 #define libnameBLAS        "myBLAS"