diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/client/ClientTickHandler.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/client/ClientTickHandler.kt
index 3ed27faeb..01ca2c77e 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/client/ClientTickHandler.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/client/ClientTickHandler.kt
@@ -3,6 +3,7 @@ package ru.dbotthepony.mc.otm.client
 import net.neoforged.neoforge.client.event.ClientPlayerNetworkEvent
 import net.neoforged.neoforge.client.event.ClientTickEvent
 import net.neoforged.neoforge.client.event.RenderFrameEvent
+import org.apache.logging.log4j.LogManager
 import org.lwjgl.glfw.GLFW
 import ru.dbotthepony.mc.otm.core.util.IConditionalTickable
 import ru.dbotthepony.mc.otm.core.util.ITickable
@@ -11,6 +12,7 @@ import ru.dbotthepony.mc.otm.core.util.WriteOnce
 import ru.dbotthepony.mc.otm.isClient
 import java.util.function.LongSupplier
 
+private val LOGGER = LogManager.getLogger()
 private val preTickList = TickList()
 private val postTickList = TickList()
 
@@ -25,6 +27,12 @@ private var HAND_CURSOR by WriteOnce<Long>()
 private var NOT_ALLOWED_CURSOR by WriteOnce<Long>()
 private var CROSSHAIR_CURSOR by WriteOnce<Long>()
 
+private inline fun check(cond: Boolean, error: () -> String) {
+	if (!cond) {
+		LOGGER.error(error.invoke(), RuntimeException(error.invoke()))
+	}
+}
+
 fun createCursors() {
 	ARROW_CURSOR = GLFW.glfwCreateStandardCursor(GLFW.GLFW_ARROW_CURSOR)
 	BEAM_CURSOR = GLFW.glfwCreateStandardCursor(GLFW.GLFW_IBEAM_CURSOR)
@@ -43,6 +51,9 @@ enum class CursorType(val pointer: LongSupplier) {
 	ARROW(::ARROW_CURSOR), BEAM(::BEAM_CURSOR), HAND(::HAND_CURSOR), NOT_ALLOWED(::NOT_ALLOWED_CURSOR), CROSSHAIR(::CROSSHAIR_CURSOR);
 
 	fun setTo() {
+		if (pointer.asLong == 0L)
+			return
+
 		GLFW.glfwSetCursor(minecraft.window.window, pointer.asLong)
 		MODIFIED_CURSOR = true
 		MODIFIED_CURSOR_FRAMES = 2