diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e6f7270..d321a4d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,10 +6,16 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout
         uses: actions/checkout@v6
+        with:
+          path: 'nimedit'
 
 
       - name: Setup Nim
@@ -21,11 +27,14 @@ jobs:
       - name: Nim version
         run: nim --version
 
-      - name: install deps
+      - name: install deps (Linux only)
+        if: matrix.os == 'ubuntu-latest'
         run: |
           sudo apt update
           sudo apt install libx11-dev libxft-dev fonts-freefont-ttf fonts-dejavu-core
 
-
       - name: Build
-        run: nimble install -y
+        run: |
+          cd nimedit
+          nimble install -y
+          nim c -r tests/tester.nim
diff --git a/app/nimedit.nim b/app/nimedit.nim
index aed149d..be254a7 100644
--- a/app/nimedit.nim
+++ b/app/nimedit.nim
@@ -868,7 +868,7 @@ proc runAction(ed: Editor; action: Action; arg: string; shiftKeyPressed: bool):
     if ed.buffersCounter >= 2:
       moveTabToRightWindow(ed)
 
-  of Action.QuitApplication: input.quitRequest()
+  of Action.QuitApplication: input.shutdown()
   of Action.Declarations:
     if main.lang == langNim:
       main.filterLines = not main.filterLines
@@ -1197,4 +1197,4 @@ proc mainProc(ed: Editor) =
 
 initBackend()
 mainProc(Editor())
-input.quitRequest()
+input.shutdown()
diff --git a/app/styles.nim b/app/styles.nim
index faaac99..b69cfff 100644
--- a/app/styles.nim
+++ b/app/styles.nim
@@ -74,7 +74,7 @@ proc findStyledFontFile(mainFontFile: Path; style: FontStyle): Path =
                      fmt"Could not find font file that matches style {style}!")
 
 proc fatal*(msg: string) {.noReturn.} =
-  quitRequest()
+  shutdown()
   quit(msg)
 
 proc parseColor*(hex: string): Color =
diff --git a/tests/tester.nim b/tests/tester.nim
new file mode 100644
index 0000000..222b087
--- /dev/null
+++ b/tests/tester.nim
@@ -0,0 +1,8 @@
+import std/os
+
+proc fatal(msg: string) = quit "FAILURE " & msg
+
+proc exec(cmd: string) =
+  if execShellCmd(cmd) != 0: fatal cmd
+
+exec "nim c app/nimedit.nim"