diff --git a/.github/workflows/qnx.yml b/.github/workflows/qnx.yml
index 7f3e07a7e9..53570b7deb 100644
--- a/.github/workflows/qnx.yml
+++ b/.github/workflows/qnx.yml
@@ -13,7 +13,7 @@ env:
   CC: qcc
   CXX: q++
   TEST_FILTER: "--gtest_filter=-*LiveSearchTXT*:*LiveSearchANY*"
-  CMAKE_FLAGS: "-DCMAKE_BUILD_TYPE=DEBUG -DCARES_STATIC=ON -DCARES_STATIC_PIC=ON -G Ninja -DCMAKE_SYSTEM_NAME=QNX -DCMAKE_FIND_ROOT_PATH=~/qnx800/target/qnx8 -DCMAKE_FIND_ROOT_PATH_MODE_PROGRAM=NEVER -DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY=ONLY -DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE=ONLY"
+  CMAKE_FLAGS: "-DCMAKE_BUILD_TYPE=DEBUG -DCARES_STATIC=ON -DCARES_STATIC_PIC=ON -G Ninja -DCMAKE_SYSTEM_NAME=QNX -DCMAKE_FIND_ROOT_PATH=${{ github.workspace }}/qnx800/target/qnx8 -DCMAKE_FIND_ROOT_PATH_MODE_PROGRAM=NEVER -DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY=ONLY -DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE=ONLY"
 
 jobs:
   build:
@@ -45,7 +45,7 @@ jobs:
         env:
           BUILD_TYPE: CMAKE
         run: |
-          source ~/qnx800/qnxsdp-env.sh
+          source "${{ github.workspace }}/qnx800/qnxsdp-env.sh"
           cd c-ares
           ./ci/build.sh
       - name: "Autotools: build c-ares"
@@ -54,7 +54,7 @@ jobs:
           CXX: q++
           BUILD_TYPE: autotools
         run: |
-          source ~/qnx800/qnxsdp-env.sh
+          source "${{ github.workspace }}/qnx800/qnxsdp-env.sh"
           cd c-ares
           ./ci/build.sh