diff --git a/depends/packages/qt.mk b/depends/packages/qt.mk
index 347525125c..8eca310971 100644
--- a/depends/packages/qt.mk
+++ b/depends/packages/qt.mk
@@ -141,7 +141,7 @@ define $(package)_preprocess_cmds
   cp -f qtbase/mkspecs/macx-clang/qplatformdefs.h qtbase/mkspecs/macx-clang-linux/ &&\
   cp -f $($(package)_patch_dir)/mac-qmake.conf qtbase/mkspecs/macx-clang-linux/qmake.conf && \
   cp -r qtbase/mkspecs/linux-arm-gnueabi-g++ qtbase/mkspecs/bitcoin-linux-g++ && \
-  sed -i s/arm-linux-gnueabi-/$(host)-/g qtbase/mkspecs/bitcoin-linux-g++/qmake.conf && \
+  sed -i.old "s/arm-linux-gnueabi-/$(host)-/g" qtbase/mkspecs/bitcoin-linux-g++/qmake.conf && \
   patch -p1 < $($(package)_patch_dir)/mingw-uuidof.patch && \
   patch -p1 < $($(package)_patch_dir)/pidlist_absolute.patch && \
   patch -p1 < $($(package)_patch_dir)/fix-xcb-include-order.patch && \