diff --git a/cmake/macros/DirInstallPaths.cmake b/cmake/macros/DirInstallPaths.cmake
index 7aefd5de6..1b180e3d2 100644
--- a/cmake/macros/DirInstallPaths.cmake
+++ b/cmake/macros/DirInstallPaths.cmake
@@ -65,10 +65,10 @@ IF(UNIX AND NOT APPLE)
 	SET(DIR_INSTALL_XDG_MIME "share/mime")
 	SET(DIR_INSTALL_XDG_DESKTOP "share/applications")
 	SET(DIR_INSTALL_XDG_APPSTREAM "share/metainfo")
-	SET(DIR_INSTALL_EXE_DEBUG "lib/debug/${CMAKE_INSTALL_PREFIX}/${DIR_INSTALL_EXE}")
-	SET(DIR_INSTALL_DLL_DEBUG "lib/debug/${CMAKE_INSTALL_PREFIX}/${DIR_INSTALL_DLL}")
-	SET(DIR_INSTALL_LIB_DEBUG "lib/debug/${CMAKE_INSTALL_PREFIX}/${DIR_INSTALL_LIB}")
-	SET(DIR_INSTALL_LIBEXEC_DEBUG "lib/debug/${CMAKE_INSTALL_PREFIX}/${DIR_INSTALL_LIBEXEC}")
+	SET(DIR_INSTALL_EXE_DEBUG "lib/debug/bin")
+	SET(DIR_INSTALL_DLL_DEBUG "lib/debug/lib")
+	SET(DIR_INSTALL_LIB_DEBUG "lib/debug/lib")
+	SET(DIR_INSTALL_LIBEXEC_DEBUG "lib/debug/libexec")
 
 	# AppArmor profile directory
 	SET(DIR_INSTALL_APPARMOR "/etc/apparmor.d")
@@ -88,10 +88,10 @@ ELSEIF(APPLE)
 	UNSET(DIR_INSTALL_XDG_MIME)
 	UNSET(DIR_INSTALL_XDG_DESKTOP)
 	UNSET(DIR_INSTALL_XDG_APPSTREAM)
-	SET(DIR_INSTALL_EXE_DEBUG "lib/debug/${CMAKE_INSTALL_PREFIX}/${DIR_INSTALL_EXE}")
-	SET(DIR_INSTALL_DLL_DEBUG "lib/debug/${CMAKE_INSTALL_PREFIX}/${DIR_INSTALL_DLL}")
-	SET(DIR_INSTALL_LIB_DEBUG "lib/debug/${CMAKE_INSTALL_PREFIX}/${DIR_INSTALL_LIB}")
-	SET(DIR_INSTALL_LIBEXEC_DEBUG "lib/debug/${CMAKE_INSTALL_PREFIX}/${DIR_INSTALL_LIBEXEC}")
+	SET(DIR_INSTALL_EXE_DEBUG "lib/debug/bin")
+	SET(DIR_INSTALL_DLL_DEBUG "lib/debug/lib")
+	SET(DIR_INSTALL_LIB_DEBUG "lib/debug/lib")
+	SET(DIR_INSTALL_LIBEXEC_DEBUG "lib/debug/libexec")
 ELSEIF(WIN32)
 	# Win32-style install paths.
 	# Files are installed relative to root, since the