diff --git a/.gitmodules b/.gitmodules
index 06eee1db912..2ec891a613f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -13,6 +13,7 @@
 [submodule "external/linker"]
     path = external/linker
     url = https://github.com/mono/linker.git
+    branch = d15-4
 [submodule "external/llvm"]
     path = external/llvm
     url = https://github.com/mono/llvm.git
diff --git a/external/linker b/external/linker
index c7450ca2669..7b9abb95e0b 160000
--- a/external/linker
+++ b/external/linker
@@ -1 +1 @@
-Subproject commit c7450ca2669becddffdea7dcdcc06692e57989e1
+Subproject commit 7b9abb95e0bb01f44c2d85d2b650d7236f5df7b0