diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a4259bf9..07380f12 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,8 +39,6 @@ jobs:
 
     - name: install pacman dependencies
       run:
-        stack --system-ghc exec export XDG_DATA_DIRS=/mingw64/share;
-        stack --system-ghc exec export PKG_CONFIG_PATH=/mingw64/bin/pkg-config;
         stack --system-ghc exec -- pacman --noconfirm -Syuu;
         stack --system-ghc exec -- pacman --noconfirm -Syuu;
         stack --system-ghc exec -- pacman -S --noconfirm msys2-keyring;
@@ -48,7 +46,7 @@ jobs:
         stack --system-ghc exec -- pacman -S --noconfirm mingw-w64-x86_64-pcre;
         stack --system-ghc exec -- pacman -S pcre;
         stack --system-ghc exec -- pacman -S pcre-devel;
-        stack --system-ghc install regex-pcre
+        stack --system-ghc exec -- sh -c "export XDG_DATA_DIRS=/mingw64/share; export PKG_CONFIG_PATH=/mingw64/bin/pkg-config; stack --system-ghc install regex-pcre"