diff --git a/.gitignore b/.gitignore
index 85a6baa..3f9bcc5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,6 +22,7 @@
 moc_*.cpp
 qrc_*.cpp
 ui_*.h
+*.qm
 Makefile*
 *-build-*
 
diff --git a/general.pri b/general.pri
index 9156999..9f790b4 100644
--- a/general.pri
+++ b/general.pri
@@ -12,7 +12,17 @@ unix {
     QMAKE_LFLAGS += "-Wl,--rpath=./"
 }
 # prefix
-targetprefix = .
+targetprefix = $$(TARGET_PREFIX)
+equals(targetprefix, "") {
+    win32 {
+        targetprefix = ../../..
+    } else {
+        targetprefix = ../..
+    }
+}
+message("Using target prefix \"$${targetprefix}\".")
+# print install root
+message("Using install root \"$$(INSTALL_ROOT)\".")
 # target
 CONFIG(debug, debug|release) {
     TARGET = $$targetprefix/$${projectname}d
diff --git a/pkgbuild/default/PKGBUILD b/pkgbuild/default/PKGBUILD
index b142d36..2ddea78 100644
--- a/pkgbuild/default/PKGBUILD
+++ b/pkgbuild/default/PKGBUILD
@@ -17,7 +17,7 @@ sha256sums=('3f928ba196940cc539d0af752b69339a')
 build() {
     cd "$srcdir/${PROJECT_DIR_NAME:-$_reponame-$pkgver}"
     INSTALL_ROOT=$pkgdir/usr/ qmake-qt5 "$pkgname.pro" -r -spec linux-g++
-    make && make updateqm
+    make
 }
 
 package() {
diff --git a/tageditor.pro b/tageditor.pro
index 6db4425..ce7f55f 100644
--- a/tageditor.pro
+++ b/tageditor.pro
@@ -93,10 +93,7 @@ RESOURCES += resources/icons.qrc \
 
 TRANSLATIONS = translations/tageditor_en_US.ts \
      translations/tageditor_de_DE.ts
-
-updateqm.commands = lrelease $${projectname}.pro
-updateqm.target = updateqm
-QMAKE_EXTRA_TARGETS += updateqm
+include(translations.pri)
 
 OTHER_FILES += \
     README.md \
@@ -126,11 +123,11 @@ win32 {
 target.path = $$(INSTALL_ROOT)/bin
 INSTALLS += target
 icon.path = $$(INSTALL_ROOT)/share/icons/hicolor/scalable/apps/
-icon.files = ./resources/icons/hicolor/scalable/apps/$${projectname}.svg
+icon.files = $${PWD}/resources/icons/hicolor/scalable/apps/$${projectname}.svg
 INSTALLS += icon
 menu.path = $$(INSTALL_ROOT)/share/applications/
-menu.files = ./resources/desktop/applications/$${projectname}.desktop
+menu.files = $${PWD}/resources/desktop/applications/$${projectname}.desktop
 INSTALLS += menu
 translations.path = $$(INSTALL_ROOT)/share/$${projectname}/translations/
-translations.files = ./translations/*.qm
+translations.files = $${OUT_PWD}/translations/*.qm
 INSTALLS += translations
diff --git a/translations.pri b/translations.pri
new file mode 100644
index 0000000..d19ca01
--- /dev/null
+++ b/translations.pri
@@ -0,0 +1,15 @@
+!isEmpty(TRANSLATIONS) {
+    isEmpty(QMAKE_LRELEASE) {
+        win32:QMAKE_LRELEASE = $$[QT_INSTALL_BINS]\lrelease.exe
+        else:QMAKE_LRELEASE = $$[QT_INSTALL_BINS]/lrelease
+    }
+    isEmpty(TS_DIR):TS_DIR = translations
+    genqm.name = $$QMAKE_LRELEASE ${QMAKE_FILE_IN} -qm $${OUT_PWD}/$$TS_DIR/${QMAKE_FILE_BASE}.qm
+    genqm.input = TRANSLATIONS
+    genqm.output = $${OUT_PWD}/$$TS_DIR/${QMAKE_FILE_BASE}.qm
+    genqm.commands = $$QMAKE_LRELEASE ${QMAKE_FILE_IN} -qm $${OUT_PWD}/$$TS_DIR/${QMAKE_FILE_BASE}.qm
+    genqm.CONFIG = no_link
+    QMAKE_EXTRA_COMPILERS += genqm
+    PRE_TARGETDEPS += compiler_genqm_make_all
+    message("Project contains translations. Use updateqm to compile translations.")
+}