diff --git a/include/tdep-ia64.h b/include/tdep-ia64.h
index 7389d3f0..6f74daea 100644
--- a/include/tdep-ia64.h
+++ b/include/tdep-ia64.h
@@ -211,6 +211,6 @@ extern void *tdep_uc_addr (ucontext_t *uc, unw_regnum_t regnum);
 extern int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip,
 			       unsigned long *segbase, unsigned long *mapoff);
 
-extern struct ia64_global_unwind_state unw;
+extern HIDDEN struct ia64_global_unwind_state unw;
 
 #endif /* TDEP_IA64_H */
diff --git a/src/ia64/global-ia64.c b/src/ia64/global-ia64.c
index 396875df..13bda857 100644
--- a/src/ia64/global-ia64.c
+++ b/src/ia64/global-ia64.c
@@ -25,7 +25,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
 
 #include "unwind_i.h"
 
-struct ia64_global_unwind_state unw =
+HIDDEN struct ia64_global_unwind_state unw =
   {
     .needs_initialization = 1,
     .lock = PTHREAD_MUTEX_INITIALIZER,