diff --git a/RepositoryExternal.mk b/RepositoryExternal.mk
index f63c95c142ea..b51660e182cb 100644
--- a/RepositoryExternal.mk
+++ b/RepositoryExternal.mk
@@ -3164,14 +3164,14 @@ endif
 
 ifeq ($(OS),WNT)
 ifeq ($(CPUNAME),X86_64)
-python_arch_subdir=amd64
+python_arch_subdir=amd64/
 else ifeq ($(CPUNAME),AARCH64)
-python_arch_subdir=arm64
+python_arch_subdir=arm64/
 else
-python_arch_subdir=win32
+python_arch_subdir=win32/
 endif
 $(call gb_LinkTarget_add_libs,$(1),\
-	$(call gb_UnpackedTarball_get_dir,python3)/PCbuild/$(python_arch_subdir)/python$(PYTHON_VERSION_MAJOR)$(PYTHON_VERSION_MINOR)$(if $(MSVC_USE_DEBUG_RUNTIME),_d).lib \
+	$(call gb_UnpackedTarball_get_dir,python3)/PCbuild/$(python_arch_subdir)python$(PYTHON_VERSION_MAJOR)$(PYTHON_VERSION_MINOR)$(if $(MSVC_USE_DEBUG_RUNTIME),_d).lib \
 )
 else ifeq ($(OS),MACOSX)
 $(call gb_LinkTarget_add_libs,$(1),\