diff --git a/src/gallium/auxiliary/util/u_debug_stack.c b/src/gallium/auxiliary/util/u_debug_stack.c
index 7013807b6b2..6ddacdb362f 100644
--- a/src/gallium/auxiliary/util/u_debug_stack.c
+++ b/src/gallium/auxiliary/util/u_debug_stack.c
@@ -90,8 +90,8 @@ symbol_name_cached(unw_cursor_t *cursor, unw_proc_info_t *pip)
          procname[1] = 0;
       }
 
-      asprintf(&name, "%s%s", procname, ret == -UNW_ENOMEM ? "..." : "");
-
+      if (asprintf(&name, "%s%s", procname, ret == -UNW_ENOMEM ? "..." : "") == -1) 
+         name = "??";
       util_hash_table_set(symbols_hash, addr, (void*)name);
    }
    mtx_unlock(&symbols_mutex);