diff --git a/app/app.pro b/app/app.pro
index 29f9d9e..15fd2ff 100644
--- a/app/app.pro
+++ b/app/app.pro
@@ -370,7 +370,7 @@ RESOURCES += \
 # See http://doc.qt.io/qt-5/qmake-advanced-usage.html
 
 binfile.files += mindforger
-binfile.path = /usr/bin/
+binfile.path = $$PREFIX/bin/
 INSTALLS += binfile
 
 # ########################################
diff --git a/mindforger.pro b/mindforger.pro
index bd4f21d..6bb2dbc 100644
--- a/mindforger.pro
+++ b/mindforger.pro
@@ -43,20 +43,20 @@ app.depends = lib
 #IMPORTANT: binfile MUST be specified in app/app.pro (project next to/that builds binary)
 
 docfiles.files += doc/*
-docfiles.path = /usr/share/doc/mindforger/
+docfiles.path = $$PREFIX/share/doc/mindforger/
 INSTALLS += docfiles
 
 manfiles.files += man/*
-manfiles.path = /usr/share/man/man1/
+manfiles.path = $$PREFIX/share/man/man1/
 INSTALLS += manfiles
 
 iconfiles.files += app/resources/icons/*
-iconfiles.path = /usr/share/icons/mindforger/
+iconfiles.path = $$PREFIX/share/icons/mindforger/
 INSTALLS += iconfiles
 
 # experiment w/ file
 shortcutfiles.files += app/resources/gnome-shell/mindforger.desktop
-shortcutfiles.path = /usr/share/applications/
+shortcutfiles.path = $$PREFIX/share/applications/
 INSTALLS += shortcutfiles
 
 # eof