diff --git a/.github/driver.sh b/.github/driver.sh
index 2eafdd0fb..09202b187 100755
--- a/.github/driver.sh
+++ b/.github/driver.sh
@@ -2,15 +2,18 @@
 
 set -ex
 
-# Check sysroot handling
-sysroot=$(./target/debug/clippy-driver --print sysroot)
-test "$sysroot" = "$(rustc --print sysroot)"
+sysroot="$(rustc --print sysroot)"
+case $OS in
+    Linux) export LD_LIBRARY_PATH="$sysroot/lib" ;;
+    macOS) export DYLD_FALLBACK_LIBRARY_PATH="$sysroot/lib" ;;
+    Windows) export PATH="$(cygpath "$sysroot")/bin:$PATH" ;;
+    *) exit 1
+esac
 
-if [[ ${OS} == "Windows" ]]; then
-	desired_sysroot=C:/tmp
-else
-	desired_sysroot=/tmp
-fi
+# Check sysroot handling
+test "$(./target/debug/clippy-driver --print sysroot)" = "$sysroot"
+
+desired_sysroot="target/sysroot"
 # Set --sysroot in command line
 sysroot=$(./target/debug/clippy-driver --sysroot $desired_sysroot --print sysroot)
 test "$sysroot" = $desired_sysroot
diff --git a/.github/workflows/clippy.yml b/.github/workflows/clippy.yml
index 8179e3e65..06bf3b6fd 100644
--- a/.github/workflows/clippy.yml
+++ b/.github/workflows/clippy.yml
@@ -69,6 +69,6 @@ jobs:
       working-directory: clippy_dev
 
     - name: Test clippy-driver
-      run: |
-        TOOLCHAIN=$(rustup show active-toolchain | cut -f1 -d' ')
-        rustup run $TOOLCHAIN bash .github/driver.sh
+      run: .github/driver.sh
+      env:
+        OS: ${{ runner.os }}
diff --git a/.github/workflows/clippy_bors.yml b/.github/workflows/clippy_bors.yml
index 94515987e..1f4bec929 100644
--- a/.github/workflows/clippy_bors.yml
+++ b/.github/workflows/clippy_bors.yml
@@ -116,9 +116,7 @@ jobs:
       working-directory: clippy_dev
 
     - name: Test clippy-driver
-      run: |
-        TOOLCHAIN=$(rustup show active-toolchain | cut -f1 -d' ')
-        rustup run $TOOLCHAIN bash .github/driver.sh
+      run: .github/driver.sh
       env:
         OS: ${{ runner.os }}