diff --git a/examples/dmledit/dub.json b/examples/dmledit/dub.json
index 048b2dc3..afad26cc 100644
--- a/examples/dmledit/dub.json
+++ b/examples/dmledit/dub.json
@@ -11,6 +11,8 @@
     "targetName": "dmledit",
     "targetType": "executable",
 
+    "sourceFiles-windows": ["$PACKAGE_DIR/src/win_app.def"],
+
     "dependencies": {
         "dlangui": "*",
     }
diff --git a/examples/dmledit/src/win_app.def b/examples/dmledit/src/win_app.def
new file mode 100644
index 00000000..40b796c7
--- /dev/null
+++ b/examples/dmledit/src/win_app.def
@@ -0,0 +1,2 @@
+EXETYPE NT
+SUBSYSTEM WINDOWS
diff --git a/examples/example1/dub.json b/examples/example1/dub.json
index 9c199000..19c91784 100644
--- a/examples/example1/dub.json
+++ b/examples/example1/dub.json
@@ -11,6 +11,8 @@
 
     "stringImportPaths": ["views", "views/res", "views/res/i18n", "views/res/mdpi"],
 
+    "sourceFiles-windows": ["$PACKAGE_DIR/src/win_app.def"],
+
     "dependencies": {
         "dlangui": "*"
     }
diff --git a/examples/example1/src/win_app.def b/examples/example1/src/win_app.def
new file mode 100644
index 00000000..40b796c7
--- /dev/null
+++ b/examples/example1/src/win_app.def
@@ -0,0 +1,2 @@
+EXETYPE NT
+SUBSYSTEM WINDOWS
diff --git a/examples/helloworld/dub.json b/examples/helloworld/dub.json
index 9941bf43..4cccf8d6 100644
--- a/examples/helloworld/dub.json
+++ b/examples/helloworld/dub.json
@@ -9,6 +9,8 @@
     "targetName": "helloworld",
     "targetType": "executable",
 
+    "sourceFiles-windows": ["$PACKAGE_DIR/src/win_app.def"],
+
     "dependencies": {
         "dlangui": "*",
     }
diff --git a/examples/helloworld/src/win_app.def b/examples/helloworld/src/win_app.def
new file mode 100644
index 00000000..40b796c7
--- /dev/null
+++ b/examples/helloworld/src/win_app.def
@@ -0,0 +1,2 @@
+EXETYPE NT
+SUBSYSTEM WINDOWS
diff --git a/examples/tetris/dub.json b/examples/tetris/dub.json
index b911e0e4..9d8719e8 100644
--- a/examples/tetris/dub.json
+++ b/examples/tetris/dub.json
@@ -11,6 +11,8 @@
 
     "stringImportPaths": ["views", "views/res", "views/res/i18n", "views/res/mdpi"],
 
+    "sourceFiles-windows": ["$PACKAGE_DIR/src/win_app.def"],
+
     "dependencies": {
         "dlangui": "*"
     }
diff --git a/examples/tetris/src/win_app.def b/examples/tetris/src/win_app.def
new file mode 100644
index 00000000..40b796c7
--- /dev/null
+++ b/examples/tetris/src/win_app.def
@@ -0,0 +1,2 @@
+EXETYPE NT
+SUBSYSTEM WINDOWS