diff --git a/linker/linker_utils.cpp b/linker/linker_utils.cpp
index 789d5c1..6b9aec9 100644
--- a/linker/linker_utils.cpp
+++ b/linker/linker_utils.cpp
@@ -98,8 +98,8 @@
           while (out_ptr > buf && *--out_ptr != '/') {
           }
           if (in_ptr[0] == 0) {
-            // retain '/'
-            out_ptr++;
+            // retain '/' (or write the initial '/' for "/..")
+            *out_ptr++ = '/';
           }
           continue;
         }