diff --git a/rssguard.pro b/rssguard.pro
index 23295a029..b0bc79e70 100755
--- a/rssguard.pro
+++ b/rssguard.pro
@@ -34,7 +34,8 @@
 #     make install
 #
 # Variables:
-#   PREFIX - specifies base folder to which files are copied during "make install" step.
+#   PREFIX - specifies base folder to which files are copied during "make install"
+#            step, defaults to "$$OUT_PWD/usr" on Linux and to "$$OUT_PWD/app" on Windows.
 #   LRELEASE_EXECUTABLE - specifies the name/path of "lrelease" executable, defaults to "lrelease".
 #
 # Other information:
@@ -79,6 +80,10 @@ isEmpty(PREFIX) {
   win32 {
     PREFIX = $$OUT_PWD/app
   }
+
+  unix:!mac {
+    PREFIX = $$OUT_PWD/usr
+  }
 }
 
 isEmpty(LRELEASE_EXECUTABLE) {