diff --git a/build/link.py b/config/link.py
similarity index 100%
rename from build/link.py
rename to config/link.py
diff --git a/toolkit/library/Makefile.in b/toolkit/library/Makefile.in
index 1db2db0a3870..2e700edb6439 100644
--- a/toolkit/library/Makefile.in
+++ b/toolkit/library/Makefile.in
@@ -6,7 +6,7 @@ include $(topsrcdir)/toolkit/library/libxul.mk
 
 ifeq (WINNT_1,$(OS_TARGET)_$(MOZ_PROFILE_USE))
 # Wrap linker to measure peak virtual memory usage.
-LD := $(PYTHON) $(topsrcdir)/build/link.py linker-vsize $(LD)
+LD := $(PYTHON) $(topsrcdir)/config/link.py linker-vsize $(LD)
 endif
 
 include $(topsrcdir)/config/rules.mk