diff --git a/source/dub/project.d b/source/dub/project.d
index 42cb67f..cea3c83 100644
--- a/source/dub/project.d
+++ b/source/dub/project.d
@@ -1421,6 +1421,7 @@
 		{
 		case '*', '?', '[', '{': break loop;
 		case '/': sepIdx = i; goto default;
+		version (Windows) { case '\\': sepIdx = i; goto default; }
 		default: ++i; break switch_;
 		}
 	}
diff --git a/test/issue1474-generate-source.script.d b/test/issue1474-generate-source.script.d
new file mode 100644
index 0000000..d345f58
--- /dev/null
+++ b/test/issue1474-generate-source.script.d
@@ -0,0 +1,29 @@
+/+ dub.sdl:
+   name "issue1474-generate-source"
++/
+
+module issue1474_generate_source;
+
+import std.process;
+import std.stdio;
+import std.algorithm;
+import std.path;
+
+int main()
+{
+	const dub = environment.get("DUB", buildPath(__FILE_FULL_PATH__.dirName.dirName, "bin", "dub"));
+	const curr_dir = environment.get("CURR_DIR", buildPath(__FILE_FULL_PATH__.dirName));
+	const dc = environment.get("DC", "dmd");
+	const cmd = [dub, "build", "--compiler", dc];
+	const result = execute(cmd, null, Config.none, size_t.max, curr_dir.buildPath("issue1474"));
+	if (result.status || result.output.canFind("Failed"))
+	{
+		writefln("\n> %-(%s %)", cmd);
+		writeln("===========================================================");
+		writeln(result.output);
+		writeln("===========================================================");
+		writeln("Last command failed with exit code ", result.status, '\n');
+		return 1;
+	}
+	return 0;
+}
diff --git a/test/issue1474/.no_build b/test/issue1474/.no_build
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/issue1474/.no_build
diff --git a/test/issue1474/.no_run b/test/issue1474/.no_run
deleted file mode 100644
index e69de29..0000000
--- a/test/issue1474/.no_run
+++ /dev/null
diff --git a/test/issue1474/.no_test b/test/issue1474/.no_test
deleted file mode 100644
index e69de29..0000000
--- a/test/issue1474/.no_test
+++ /dev/null
diff --git a/test/issue1474/dub.json b/test/issue1474/dub.json
index 80d9635..f4dec04 100644
--- a/test/issue1474/dub.json
+++ b/test/issue1474/dub.json
@@ -2,7 +2,10 @@
 	"name": "generated-sources",
 	"description": "Example of using pre generate commands to generate source code.",
 	"sourceFiles": ["ext/*.d"],
-	"preGenerateCommands": [
+	"preGenerateCommands-posix": [
 		"echo 'extern(C) int fun42 () { return 42; }' > ext/fortytwo.d"
+	],
+	"preGenerateCommands-windows": [
+		"echo extern(C) int fun42 () { return 42; }> ext/fortytwo.d"
 	]
 }