diff --git a/Makefile b/Makefile
index b482223..bcc7689 100644
--- a/Makefile
+++ b/Makefile
@@ -17,8 +17,11 @@ CFLAGS += '-DGIT_DESCRIBE=L"$(GIT_DESCRIBE)"'
 default: bootx64.efi
 all: bootx64.efi bootia32.efi setup.exe
 
-setup.exe: src/Setup.cs
-	mcs -out:$@ $^
+src/GIT_DESCRIBE.cs: src/Setup.cs $(FILES_C) $(FILES_H)
+	echo 'public class GIT_DESCRIBE { public static string data = "$(GIT_DESCRIBE)"; }' > $@
+
+setup.exe: src/Setup.cs src/GIT_DESCRIBE.cs
+	mcs -define:GIT_DESCRIBE -out:$@ $^
 
 bootx64.efi: CC_PREFIX = x86_64-w64-mingw32
 bootx64.efi: GNUEFI_ARCH = x86_64
diff --git a/src/Setup.cs b/src/Setup.cs
index 71886b8..79bc088 100644
--- a/src/Setup.cs
+++ b/src/Setup.cs
@@ -364,6 +364,11 @@ public class Setup {
 	 * @param args The arguments.
 	 */
 	public static void Main(string[] args) {
+		#if GIT_DESCRIBE
+			Console.WriteLine("HackBGRT installer version: {0}", GIT_DESCRIBE.data);
+		#else
+			Console.WriteLine("HackBGRT installer version: unknown; not an official release?");
+		#endif
 		var self = Assembly.GetExecutingAssembly().Location;
 		try {
 			// Relaunch as admin, if needed.