diff --git a/CMakeLists.txt b/CMakeLists.txt
index a9daee7..7c6da08 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,7 +17,6 @@
 #  CMakeLists.txt -- template and derived ESC/I ESC/I-2 protocol commands
 
 project (epsonscan2)
-set (CMAKE_INSTALL_PREFIX "/usr")
 cmake_minimum_required (VERSION 2.8.12.2)
 
 include(GNUInstallDirs)
@@ -86,7 +85,6 @@ set(COMMON_ETC_PATH ${CMAKE_INSTALL_FULL_SYSCONFDIR})
 set(EPSON_WORK_PATH /tmp/epsonWork/)
 set(EPSON_SETTINGS_PATH $ENV{HOME}/.epsonscan2/)
 
-SET (CMAKE_INSTALL_PREFIX /usr)
 set(EPSON_INSTALL_PATH ${CMAKE_INSTALL_FULL_LIBDIR}/epsonscan2/)
 set(COMMON_SHARE_PATH ${CMAKE_INSTALL_FULL_DATAROOTDIR})
 
@@ -113,8 +111,8 @@ add_subdirectory(src)
 
 install(DIRECTORY Resources DESTINATION ${EPSON_INSTALL_ROOT}${EPSON_INSTALL_PATH})
 
-install(FILES epsonscan2.rules DESTINATION ${EPSON_INSTALL_ROOT}/lib/udev/rules.d/ RENAME 60-epsonscan2.rules)
-install(FILES epsonscan2 DESTINATION ${EPSON_INSTALL_ROOT}/etc/sane.d/dll.d)
+install(FILES epsonscan2.rules DESTINATION ${EPSON_INSTALL_ROOT}${CMAKE_INSTALL_PREFIX}/lib/udev/rules.d/ RENAME 60-epsonscan2.rules)
+install(FILES epsonscan2 DESTINATION ${EPSON_INSTALL_ROOT}${CMAKE_INSTALL_PREFIX}/etc/sane.d/dll.d)
 install(CODE "execute_process(COMMAND ${CMAKE_COMMAND} -E make_directory ${EPSON_INSTALL_ROOT}${CMAKE_INSTALL_FULL_LIBDIR}/sane/)")
 install(CODE "execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink ../epsonscan2/libsane-epsonscan2.so ${EPSON_INSTALL_ROOT}${CMAKE_INSTALL_FULL_LIBDIR}/sane/libsane-epsonscan2.so.1)")
 install(CODE "execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink ../epsonscan2/libsane-epsonscan2.so ${EPSON_INSTALL_ROOT}${CMAKE_INSTALL_FULL_LIBDIR}/sane/libsane-epsonscan2.so.1.0.0)")
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index c884d83..5ddff0c 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -26,7 +26,9 @@ add_subdirectory(ES2Command/Linux)
 add_subdirectory(ES2FileFormat/Linux)
 add_subdirectory(Controller)
 add_subdirectory(SaneWrapper/Linux)
+if (NOT DEFINED NO_GUI)
 add_subdirectory(Standalone)
 add_subdirectory(DetectAlert)
+endif ()
 add_subdirectory(ScanSDK)
 
diff --git a/src/Controller/Src/Filter/GetOrientation.cpp b/src/Controller/Src/Filter/GetOrientation.cpp
index 387561e..15448ad 100644
--- a/src/Controller/Src/Filter/GetOrientation.cpp
+++ b/src/Controller/Src/Filter/GetOrientation.cpp
@@ -12,14 +12,7 @@ namespace epsonscan
 
 static std::string GetExecPath()
 {
-#ifdef AKBMODE
-    std::string strDst = "/usr/libexec/";
-    strDst = strDst + DRIVER_NAME;
-    strDst = strDst + "-ocr/ocr-engine-getrotate";
-    return strDst.c_str() ;
-#else
-    return "/usr/libexec/epsonscan2-ocr/ocr-engine-getrotate" ;
-#endif
+    return "@OCR_ENGINE_GETROTATE@";
 }
 static const int kMaxBuf = 256;
 
diff --git a/src/Controller/Src/Scanner/Engine.cpp b/src/Controller/Src/Scanner/Engine.cpp
index 9489d4b..670bad9 100644
--- a/src/Controller/Src/Scanner/Engine.cpp
+++ b/src/Controller/Src/Scanner/Engine.cpp
@@ -263,8 +263,8 @@ SDIError Engine::Open()
 	//kill es2netif
 	//kill es2intif
 
-	system("killall -9 -q es2netif > /dev/null");
-	system("killall -9 -q es2intif > /dev/null");
+	system("@KILLALL@ -9 -q es2netif > /dev/null");
+	system("@KILLALL@ -9 -q es2intif > /dev/null");
 
 	if (engine_) {
 		return ExchangeError(engine_->Open());
diff --git a/src/Standalone/CMakeLists.txt b/src/Standalone/CMakeLists.txt
index eff3dd3..c2b3803 100644
--- a/src/Standalone/CMakeLists.txt
+++ b/src/Standalone/CMakeLists.txt
@@ -167,5 +167,5 @@ target_link_libraries(es2standalone ${QT_LIBRARIES}
 )
 
 QT5_USE_MODULES(es2standalone Widgets)
-install(TARGETS es2standalone DESTINATION "${EPSON_INSTALL_ROOT}/usr/bin")
+install(TARGETS es2standalone DESTINATION "${EPSON_INSTALL_ROOT}${CMAKE_INSTALL_FULL_BINDIR}")