diff --git a/classes/populate_sdk_qt6_base.bbclass b/classes/populate_sdk_qt6_base.bbclass
index 1240b7c..dafa246 100644
--- a/classes/populate_sdk_qt6_base.bbclass
+++ b/classes/populate_sdk_qt6_base.bbclass
@@ -75,6 +75,8 @@ create_qt6_sdk_files () {
 cmake_minimum_required(VERSION 3.11)
 include_guard(GLOBAL)
 
+get_filename_component(SYSROOTS \${CMAKE_CURRENT_LIST_DIR}/../../../.. ABSOLUTE)
+
 set(ENV{PKG_CONFIG_SYSROOT_DIR} "${SDKTARGETSYSROOT}")
 set(ENV{PKG_CONFIG_PATH} "${SDKTARGETSYSROOT}${libdir}/pkgconfig")
 
@@ -123,10 +125,9 @@ if(NOT DEFINED CMAKE_INSTALL_PREFIX)
 endif()
 set(CMAKE_INSTALL_PREFIX "${prefix}" CACHE PATH "Install path prefix")
 EOF
-}
 
-create_qt6_sdk_files:append:sdkmingw32() {
-    sed -i -e 's|${SDKPATH}|$ENV{SDKPATH}|g' \
+    # resolve absolute paths at runtime
+    sed -i -e 's|${SDKPATH}/sysroots|\${SYSROOTS}|g' \
         ${SDK_OUTPUT}${SDKPATHNATIVE}/usr/share/cmake/Qt6Toolchain.cmake
 }
 
diff --git a/recipes-qt/qt6/qtbase_git.bb b/recipes-qt/qt6/qtbase_git.bb
index 01a62fc..96a35cc 100644
--- a/recipes-qt/qt6/qtbase_git.bb
+++ b/recipes-qt/qt6/qtbase_git.bb
@@ -156,11 +156,13 @@ set(QT_HOST_PATH "\$ENV{OECORE_NATIVE_SYSROOT}/usr" CACHE PATH "")
 set(QT_BUILD_TOOLS_WHEN_CROSSCOMPILING "TRUE" CACHE BOOL "")
 EOF
 
-    sed -i ${D}${QT6_INSTALL_BINDIR}/* ${D}${QT6_INSTALL_LIBDIR}/cmake/Qt6/qt.toolchain.cmake \
-        -e 's|${RECIPE_SYSROOT_NATIVE}|${SDKPATHNATIVE}|'
+    RELPATH="${@os.path.relpath(d.getVar('bindir'), d.getVar('QT6_INSTALL_BINDIR'))}"
+    sed -i ${D}${QT6_INSTALL_BINDIR}/* \
+        -e "s|${RECIPE_SYSROOT_NATIVE}.*cmake|\$script_dir_path/$RELPATH/cmake|"
 
     RELPATH=${@os.path.relpath(d.getVar('prefix') + '/share/cmake/Qt6Toolchain.cmake', d.getVar('QT6_INSTALL_LIBDIR') + '/cmake/Qt6')}
     sed -i ${D}${QT6_INSTALL_LIBDIR}/cmake/Qt6/qt.toolchain.cmake \
+        -e 's|${RECIPE_SYSROOT_NATIVE}|\${CMAKE_CURRENT_LIST_DIR}/../../../..|' \
         -e "s|/.*/toolchain.cmake|\${CMAKE_CURRENT_LIST_DIR}/$RELPATH|"
 }