diff -ru nss.orig/nss/coreconf/WIN32.mk nss/nss/coreconf/WIN32.mk
--- a/nss.orig/nss/coreconf/WIN32.mk	2016-03-04 08:30:16.306639400 +0100
+++ b/nss/nss/coreconf/WIN32.mk	2016-03-04 08:31:17.987233200 +0100
@@ -169,15 +169,15 @@
 	DLLFLAGS   += -OUT:$@
 	ifdef MOZ_DEBUG_SYMBOLS
 		ifdef MOZ_DEBUG_FLAGS
-			OPTIMIZER += $(MOZ_DEBUG_FLAGS) -Fd$(OBJDIR)/
+			OPTIMIZER += $(MOZ_DEBUG_FLAGS) -Fd./
 		else
-			OPTIMIZER += -Zi -Fd$(OBJDIR)/
+			OPTIMIZER += -Zi -Fd./
 		endif
 		DLLFLAGS += -DEBUG -OPT:REF
 		LDFLAGS += -DEBUG -OPT:REF
 	endif
     else
-	OPTIMIZER += -Zi -Fd$(OBJDIR)/ -Od
+	OPTIMIZER += -Zi -Fd./ -Od
 	NULLSTRING :=
 	SPACE      := $(NULLSTRING) # end of the line
 	USERNAME   := $(subst $(SPACE),_,$(USERNAME))