diff --git a/qelectrotech.pro b/qelectrotech.pro
index cdc190847..52b7af5bd 100644
--- a/qelectrotech.pro
+++ b/qelectrotech.pro
@@ -157,6 +157,7 @@ macx {
 
 # Compilers-specific options
 unix {
+	QMAKE_COPY_DIR = 'cp -f -r --preserve=timestamps'
 	*-g++* {
 		system(g++ -v --help 2>&1 | grep -q fipa-sra) {
 			QMAKE_CXXFLAGS += -fno-ipa-sra