diff --git a/gdxapp4d-app-calculator/src/main/java/love/distributedrebirth/gdxapp4d/app/calculator/CalculatorDeskApp.java b/gdxapp4d-app-calculator/src/main/java/love/distributedrebirth/gdxapp4d/app/calculator/CalculatorDeskApp.java
index a2666d8d..b2d67db9 100644
--- a/gdxapp4d-app-calculator/src/main/java/love/distributedrebirth/gdxapp4d/app/calculator/CalculatorDeskApp.java
+++ b/gdxapp4d-app-calculator/src/main/java/love/distributedrebirth/gdxapp4d/app/calculator/CalculatorDeskApp.java
@@ -66,6 +66,10 @@ public class CalculatorDeskApp extends AbstractDeskApp implements DeskAppRendere
 		ImGui.text(valueLoc);
 		ImGui.separator();
 		
+		if (value.length() > 8) {
+			value = "0"; // dirty limit for parseInt
+			valueLoc = baseNumber.BȍőnPrintNumber10(Integer.parseInt(value), 9999999);
+		}
 		
 		if (ImGui.button(baseNumber.BȍőnNumber10().BȍőnCharFor(7), buttonSize, buttonSize)) {
 			value+="7";