diff --git a/CMakeLists.txt b/CMakeLists.txt
index 53963915..cd2e2cd0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -415,8 +415,8 @@ set_property(TARGET lego1 PROPERTY SUFFIX ".DLL")
 if (ISLE_BUILD_APP)
   add_executable(isle WIN32
     ISLE/res/isle.rc
-    ISLE/isleapp.cpp
     ISLE/define.cpp
+    ISLE/isleapp.cpp
   )
 
   target_compile_definitions(isle PRIVATE ISLE_APP)
diff --git a/ISLE/define.cpp b/ISLE/define.cpp
index c1f020fa..48fd907e 100644
--- a/ISLE/define.cpp
+++ b/ISLE/define.cpp
@@ -32,9 +32,3 @@ int g_targetDepth = 16;
 
 // GLOBAL: ISLE 0x410064
 int g_reqEnableRMDevice = 0;
-
-// GLOBAL: ISLE 0x4101bc
-int g_startupDelay = 200;
-
-// GLOBAL: ISLE 0x4101c0
-MxLong g_lastFrameTime = 0;
diff --git a/ISLE/define.h b/ISLE/define.h
index 3f92244b..6d1a59bb 100644
--- a/ISLE/define.h
+++ b/ISLE/define.h
@@ -21,7 +21,5 @@ extern int g_targetWidth;
 extern int g_targetHeight;
 extern int g_targetDepth;
 extern int g_reqEnableRMDevice;
-extern int g_startupDelay;
-extern MxLong g_lastFrameTime;
 
 #endif // DEFINE_H
diff --git a/ISLE/isleapp.cpp b/ISLE/isleapp.cpp
index c4897a2b..1e61fdfb 100644
--- a/ISLE/isleapp.cpp
+++ b/ISLE/isleapp.cpp
@@ -765,6 +765,12 @@ void IsleApp::LoadConfig()
 // FUNCTION: ISLE 0x402c20
 inline void IsleApp::Tick(BOOL sleepIfNotNextFrame)
 {
+	// GLOBAL: ISLE 0x4101c0
+	static MxLong g_lastFrameTime = 0;
+
+	// GLOBAL: ISLE 0x4101bc
+	static int g_startupDelay = 200;
+
 	if (!this->m_windowActive) {
 		Sleep(0);
 		return;