diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3b57547..6c1644e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,9 +18,6 @@ jobs:
   tests:
     name: CI (Python ${{ matrix.python }} on ${{ matrix.os }}, ${{ matrix.type }} test)
     runs-on: ${{ matrix.os }}
-    defaults:
-      run:
-        shell: bash
     strategy:
       matrix:
         python: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
@@ -32,15 +29,19 @@ jobs:
       id: python
       with:
         python-version: ${{ matrix.python }}
-    - name: Install solc-select
+    - name: Create Python virtual environment
       run: |
         ${{ steps.python.outputs.python-path }} -m venv test-venv
-        source test-venv/bin/activate
+    - name: Install solc-select
+      shell: bash
+      run: |
+        source test-venv/${{ (runner.os == 'Windows' && 'Scripts') || 'bin' }}/activate
         pip3 install .
     - name: Run Tests
+      shell: bash
       env:
         TEST_TYPE: ${{ (matrix.type != 'os_specific' && matrix.type) || runner.os }}
       run: |
-        source test-venv/bin/activate
+        source test-venv/${{ (runner.os == 'Windows' && 'Scripts') || 'bin' }}/activate
         TEST_TYPE="$(echo "$TEST_TYPE" | tr '[:upper:]' '[:lower:]')"
         bash scripts/test_${TEST_TYPE}.sh
diff --git a/scripts/test_solc.sh b/scripts/test_solc.sh
index 6bacea9..55b3978 100644
--- a/scripts/test_solc.sh
+++ b/scripts/test_solc.sh
@@ -92,7 +92,7 @@ if [[ "$execute" != *"Error: Explicit type conversion not allowed"* ]]; then
 fi
 echo "SUCCESS: solc080_fail_compile"
 
-UNINSTALL_PATH=$HOME/.solc-select/artifacts/solc-0.8.9
+UNINSTALL_PATH=${VIRTUAL_ENV:-$HOME}/.solc-select/artifacts/solc-0.8.9
 rm -rf $UNINSTALL_PATH{,.exe} # uninstall solc 0.8.9
 execute=$(solc-select use 0.8.9 --always-install)
 if [[ "$execute" != *"Switched global version to 0.8.9"* ]]; then
@@ -101,7 +101,7 @@ if [[ "$execute" != *"Switched global version to 0.8.9"* ]]; then
 fi
 echo "SUCCESS: use - always install"
 
-UNINSTALL_PATH=$HOME/.solc-select/artifacts/solc-0.8.1
+UNINSTALL_PATH=${VIRTUAL_ENV:-$HOME}/.solc-select/artifacts/solc-0.8.1
 rm -rf $UNINSTALL_PATH{,.exe} # uninstall solc 0.8.1
 execute=$(solc-select use 0.8.1 2>&1 || true)
 if [[ $execute != *"'0.8.1' must be installed prior to use"* ]]; then