diff --git a/src/bindings/barcodeFormat.ts b/src/bindings/barcodeFormat.ts
index 3345e5c5..b489e562 100644
--- a/src/bindings/barcodeFormat.ts
+++ b/src/bindings/barcodeFormat.ts
@@ -73,7 +73,7 @@ export function formatFromString(format: string): BarcodeFormat {
   let end = barcodeFormats.length - 1;
   while (start <= end) {
     const mid = Math.floor((start + end) / 2);
-    const midElement = barcodeFormats[mid];
+    const midElement = barcodeFormats[mid]!;
     const normalizedMidElement = normalizeFormatString(midElement);
     if (normalizedMidElement === normalizedTarget) {
       return midElement;
diff --git a/src/bindings/binarizer.ts b/src/bindings/binarizer.ts
index 61baa458..2abae880 100644
--- a/src/bindings/binarizer.ts
+++ b/src/bindings/binarizer.ts
@@ -23,5 +23,5 @@ export function binarizerToZXingEnum<T extends "reader" | "full">(
 }
 
 export function zxingEnumToBinarizer(zxingEnum: ZXingEnum): Binarizer {
-  return binarizers[zxingEnum.value];
+  return binarizers[zxingEnum.value]!;
 }
diff --git a/src/bindings/characterSet.ts b/src/bindings/characterSet.ts
index c91568f2..5eb5b7c6 100644
--- a/src/bindings/characterSet.ts
+++ b/src/bindings/characterSet.ts
@@ -53,5 +53,5 @@ export function characterSetToZXingEnum<T extends ZXingModuleType>(
 }
 
 export function zxingEnumToCharacterSet(zxingEnum: ZXingEnum): CharacterSet {
-  return characterSets[zxingEnum.value];
+  return characterSets[zxingEnum.value]!;
 }
diff --git a/src/bindings/contentType.ts b/src/bindings/contentType.ts
index a532d9f2..7ca87cdc 100644
--- a/src/bindings/contentType.ts
+++ b/src/bindings/contentType.ts
@@ -25,5 +25,5 @@ export function contentTypeToZXingEnum<T extends "reader" | "full">(
 }
 
 export function zxingEnumToContentType(zxingEnum: ZXingEnum): ContentType {
-  return contentTypes[zxingEnum.value];
+  return contentTypes[zxingEnum.value]!;
 }
diff --git a/src/bindings/eanAddOnSymbol.ts b/src/bindings/eanAddOnSymbol.ts
index 5590c424..47846217 100644
--- a/src/bindings/eanAddOnSymbol.ts
+++ b/src/bindings/eanAddOnSymbol.ts
@@ -20,5 +20,5 @@ export function eanAddOnSymbolToZXingEnum<T extends "reader" | "full">(
 export function zxingEnumToEanAddOnSymbol(
   zxingEnum: ZXingEnum,
 ): EanAddOnSymbol {
-  return eanAddOnSymbols[zxingEnum.value];
+  return eanAddOnSymbols[zxingEnum.value]!;
 }
diff --git a/src/bindings/textMode.ts b/src/bindings/textMode.ts
index c45f076b..ec22f343 100644
--- a/src/bindings/textMode.ts
+++ b/src/bindings/textMode.ts
@@ -18,5 +18,5 @@ export function textModeToZXingEnum<T extends "reader" | "full">(
 }
 
 export function zxingEnumToTextMode(zxingEnum: ZXingEnum): TextMode {
-  return textModes[zxingEnum.value];
+  return textModes[zxingEnum.value]!;
 }