diff --git a/build/config/CYGWIN b/build/config/CYGWIN
index 70bd5f780..427b5a6cc 100644
--- a/build/config/CYGWIN
+++ b/build/config/CYGWIN
@@ -46,7 +46,7 @@ IMPLIBLINKEXT    = .dll.a
 CFLAGS          = 
 CFLAGS32        = 
 CFLAGS64        = 
-CXXFLAGS        = -DPOCO_NO_FPENVIRONMENT -DPOCO_NO_WSTRING
+CXXFLAGS        = -Wa,-mbig-obj -DPOCO_NO_FPENVIRONMENT -DPOCO_NO_WSTRING
 CXXFLAGS32      =
 CXXFLAGS64      = -Wa,-mbig-obj
 SHLIBFLAGS      = -Wl,--out-implib=$(dir $@)$(subst cyg,lib,$(notdir $@)).a -Wl,--export-all-symbols -Wl,--enable-auto-import
@@ -83,10 +83,9 @@ SYSFLAGS += -D__BSD_VISIBLE
 #
 SYSLIBS  = 
 
-ifndef OSARCH_64BITS
-    ifeq ($(findstring x86_64,$(shell uname -m)),x86_64)
-        OSARCH_64BITS = 1
-    else
-        OSARCH_64BITS = 0
-    endif
-endif
\ No newline at end of file
+# commented out until OSARCH_POSTFIX be fixed 
+#ifeq ($(findstring x86_64,$(shell uname -m)),x86_64)
+#    OSARCH_64BITS = 1
+#else
+#    OSARCH_64BITS = 0
+#endif