diff --git a/imgui-binding/src/main/java/imgui/ImGui.java b/imgui-binding/src/main/java/imgui/ImGui.java
index 42f00d7e..ed1349d9 100644
--- a/imgui-binding/src/main/java/imgui/ImGui.java
+++ b/imgui-binding/src/main/java/imgui/ImGui.java
@@ -3147,7 +3147,7 @@ private static boolean preInputText(boolean multiline, String label, String hint
         userData.textInputData = &textInputData;
         userData.env = env;
         userData.allowedChars = allowedChars;
-        userData.handler = &callback;
+        userData.handler = callback != NULL ? &callback : NULL;
 
         bool valueChanged;