diff --git a/Src/WitsmlExplorer.Frontend/components/Modals/ModalParts.tsx b/Src/WitsmlExplorer.Frontend/components/Modals/ModalParts.tsx
index c8306ddcb..b38c5f26f 100644
--- a/Src/WitsmlExplorer.Frontend/components/Modals/ModalParts.tsx
+++ b/Src/WitsmlExplorer.Frontend/components/Modals/ModalParts.tsx
@@ -3,12 +3,12 @@
   Edit
 }
 
-export const validText = (text: string, minLength: number | undefined = undefined, maxLength: number | undefined = undefined): boolean => {
-  if (minLength === undefined && maxLength === undefined) return Boolean(text) && text.length > 0;
-  if (minLength === 0 && (text === null || text === undefined)) return true;
-  if (minLength > 0 && (text === null || text === undefined)) return false;
-  if (typeof minLength === "number" && maxLength === undefined) return text.length >= minLength;
-  if (minLength === undefined && typeof maxLength === "number") return text.length <= maxLength;
+export const validText = (text: string, minLength: number = null, maxLength: number = null): boolean => {
+  if (minLength === null && maxLength === null) return text?.length > 0;
+  if (minLength === 0 && !text) return true;
+  if (minLength > 0 && !text) return false;
+  if (typeof minLength === "number" && maxLength === null) return text.length >= minLength;
+  if (minLength === null && typeof maxLength === "number") return text.length <= maxLength;
   if (minLength >= maxLength) throw new Error("The value for minLength should be less than maxLength.");
   return text.length >= minLength && text.length <= maxLength;
 };
diff --git a/Src/WitsmlExplorer.Frontend/components/Modals/__tests__/ModalParts.test.tsx b/Src/WitsmlExplorer.Frontend/components/Modals/__tests__/ModalParts.test.tsx
index f09e7daaf..26ed0cdb5 100644
--- a/Src/WitsmlExplorer.Frontend/components/Modals/__tests__/ModalParts.test.tsx
+++ b/Src/WitsmlExplorer.Frontend/components/Modals/__tests__/ModalParts.test.tsx
@@ -11,12 +11,12 @@ it("Should detect any misbehavior during text validation using the validText() m
   expect(validText(null, 1, 10)).toBeFalsy();
   expect(validText(undefined, 1, 10)).toBeFalsy();
   expect(validText("")).toBeFalsy();
-  expect(validText("", 0, undefined)).toBeTruthy();
-  expect(validText("a", 0, undefined)).toBeTruthy();
-  expect(validText("a", 1, undefined)).toBeTruthy();
-  expect(validText("", 1, undefined)).toBeFalsy();
-  expect(validText("abc", undefined, 3)).toBeTruthy();
-  expect(validText("abcd", undefined, 3)).toBeFalsy();
+  expect(validText("", 0, null)).toBeTruthy();
+  expect(validText("a", 0, null)).toBeTruthy();
+  expect(validText("a", 1, null)).toBeTruthy();
+  expect(validText("", 1, null)).toBeFalsy();
+  expect(validText("abc", null, 3)).toBeTruthy();
+  expect(validText("abcd", null, 3)).toBeFalsy();
   expect(validText("ab", 1, 3)).toBeTruthy();
   expect(validText("abc", 1, 3)).toBeTruthy();
   expect(validText("", 1, 3)).toBeFalsy();