diff --git a/lapack/trti2/trti2_L.c b/lapack/trti2/trti2_L.c
index f1c0ddf31..870c81f75 100644
--- a/lapack/trti2/trti2_L.c
+++ b/lapack/trti2/trti2_L.c
@@ -45,7 +45,11 @@
 #define TRMV	TRMV_NLN
 #endif
 
-blasint CNAME(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n, FLOAT *sa, FLOAT *sb, BLASLONG myid) {
+blasint
+#ifndef C_MSVC
+__attribute__((visibility("hidden")))
+#endif
+	CNAME(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n, FLOAT *sa, FLOAT *sb, BLASLONG myid) {
 
   BLASLONG  n, lda;
   FLOAT *a;
diff --git a/lapack/trti2/trti2_U.c b/lapack/trti2/trti2_U.c
index 376be731f..a4c83a5b5 100644
--- a/lapack/trti2/trti2_U.c
+++ b/lapack/trti2/trti2_U.c
@@ -45,7 +45,11 @@
 #define TRMV	TRMV_NUN
 #endif
 
-blasint CNAME(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n, FLOAT *sa, FLOAT *sb, BLASLONG myid) {
+blasint
+#ifndef C_MSVC
+__attribute__((visibility("hidden")))
+#endif
+	CNAME(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n, FLOAT *sa, FLOAT *sb, BLASLONG myid) {
 
   BLASLONG  n, lda;
   FLOAT *a;
diff --git a/lapack/trti2/ztrti2_L.c b/lapack/trti2/ztrti2_L.c
index 98ea2128d..9df94801d 100644
--- a/lapack/trti2/ztrti2_L.c
+++ b/lapack/trti2/ztrti2_L.c
@@ -45,7 +45,11 @@
 #define ZTRMV	ZTRMV_NLN
 #endif
 
-blasint CNAME(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n, FLOAT *sa, FLOAT *sb, BLASLONG myid) {
+blasint
+#ifndef C_MSVC
+__attribute__((visibility("hidden")))
+#endif
+	CNAME(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n, FLOAT *sa, FLOAT *sb, BLASLONG myid) {
 
   BLASLONG  n, lda;
   FLOAT *a;
diff --git a/lapack/trti2/ztrti2_U.c b/lapack/trti2/ztrti2_U.c
index 3dac56c3f..78cf5ada1 100644
--- a/lapack/trti2/ztrti2_U.c
+++ b/lapack/trti2/ztrti2_U.c
@@ -45,7 +45,11 @@
 #define ZTRMV	ZTRMV_NUN
 #endif
 
-blasint CNAME(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n, FLOAT *sa, FLOAT *sb, BLASLONG myid) {
+blasint
+#ifndef C_MSVC
+__attribute__((visibility("hidden")))
+#endif
+	CNAME(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n, FLOAT *sa, FLOAT *sb, BLASLONG myid) {
 
   BLASLONG  n, lda;
   FLOAT *a;