diff --git a/ports/qt5-base/cmake/qt_fix_makefile_install.cmake b/ports/qt5-base/cmake/qt_fix_makefile_install.cmake
index 95831d29f5..69b016fc88 100644
--- a/ports/qt5-base/cmake/qt_fix_makefile_install.cmake
+++ b/ports/qt5-base/cmake/qt_fix_makefile_install.cmake
@@ -7,7 +7,11 @@ function(qt_fix_makefile_install BUILD_DIR)
     if(WIN32)
         string(SUBSTRING "${NATIVE_INSTALLED_DIR}" 2 -1 INSTALLED_DIR_WITHOUT_DRIVE)
         string(SUBSTRING "${NATIVE_PACKAGES_DIR}" 2 -1 PACKAGES_DIR_WITHOUT_DRIVE)
+        string(SUBSTRING "${NATIVE_INSTALLED_DIR}" 0 2 INSTALLED_DRIVE)
+        string(SUBSTRING "${NATIVE_PACKAGES_DIR}" 0 2 PACKAGES_DRIVE)
     else()
+        set(INSTALLED_DRIVE)
+        set(PACKAGES_DRIVE)
         set(INSTALLED_DIR_WITHOUT_DRIVE ${NATIVE_INSTALLED_DIR})
         set(PACKAGES_DIR_WITHOUT_DRIVE ${NATIVE_PACKAGES_DIR})
     endif()
@@ -20,7 +24,7 @@ function(qt_fix_makefile_install BUILD_DIR)
     foreach(MAKEFILE ${MAKEFILES})
         file(READ "${MAKEFILE}" _contents)
         #Set the correct install directory to packages
-        string(REPLACE "(INSTALL_ROOT)${INSTALLED_DIR_WITHOUT_DRIVE}" "(INSTALL_ROOT)${PACKAGES_DIR_WITHOUT_DRIVE}" _contents "${_contents}")
+        string(REPLACE "${INSTALLED_DRIVE}$(INSTALL_ROOT)${INSTALLED_DIR_WITHOUT_DRIVE}" "${PACKAGES_DRIVE}$(INSTALL_ROOT)${PACKAGES_DIR_WITHOUT_DRIVE}" _contents "${_contents}")
         file(WRITE "${MAKEFILE}" "${_contents}")
     endforeach()
 endfunction()
\ No newline at end of file
diff --git a/ports/qt5-base/vcpkg.json b/ports/qt5-base/vcpkg.json
index 72b3f3401b..39e0c5586b 100644
--- a/ports/qt5-base/vcpkg.json
+++ b/ports/qt5-base/vcpkg.json
@@ -1,7 +1,7 @@
 {
   "name": "qt5-base",
   "version-semver": "5.15.2",
-  "port-version": 7,
+  "port-version": 8,
   "description": "Qt5 Application Framework Base Module. Includes Core, GUI, Widgets, Networking, SQL, Concurrent and other essential qt components.",
   "homepage": "https://www.qt.io/",
   "dependencies": [
diff --git a/versions/baseline.json b/versions/baseline.json
index d0235b4f44..fd5049b73f 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -5034,7 +5034,7 @@
     },
     "qt5-base": {
       "baseline": "5.15.2",
-      "port-version": 7
+      "port-version": 8
     },
     "qt5-canvas3d": {
       "baseline": "0",
diff --git a/versions/q-/qt5-base.json b/versions/q-/qt5-base.json
index cf2963fc41..d206973941 100644
--- a/versions/q-/qt5-base.json
+++ b/versions/q-/qt5-base.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "78428fb3d23edf667e96afe8ea0292efc12e44a0",
+      "version-semver": "5.15.2",
+      "port-version": 8
+    },
     {
       "git-tree": "0a2e6f5403e24e41109d28db0c2330f8254774f2",
       "version-semver": "5.15.2",