diff --git a/src/DicomMetaDictionary.js b/src/DicomMetaDictionary.js
index c6a9dd1e..4bbdce61 100644
--- a/src/DicomMetaDictionary.js
+++ b/src/DicomMetaDictionary.js
@@ -146,10 +146,12 @@ class DicomMetaDictionary {
 
                 if (naturalDataset[naturalName].length === 1) {
                     const sqZero = naturalDataset[naturalName][0];
+                    //add accessor to object props, leave arrays and arraybuffers unchanged
                     if (
                         sqZero &&
                         typeof sqZero === "object" &&
-                        !sqZero.length
+                        !sqZero.length &&
+                        !(sqZero instanceof ArrayBuffer)
                     ) {
                         addAccessors(naturalDataset[naturalName], sqZero);
                     } else {
diff --git a/test/test_data.js b/test/test_data.js
index 29000352..4a75c18e 100644
--- a/test/test_data.js
+++ b/test/test_data.js
@@ -166,7 +166,7 @@ const tests = {
             .PixelMeasuresSequence.SpacingBetweenSlices;
         expect(spacing).to.equal(0.12);
         expect(Array.isArray(naturalSequence.SharedFunctionalGroupsSequence)).to.equal(true);
-    
+
         expect(naturalSequence.ProcedureCodeSequence).to.have.property(
             "CodingSchemeDesignator",
             "L"
@@ -269,6 +269,7 @@ const tests = {
                             const dataset = DicomMetaDictionary.naturalizeDataset(
                                 dicomDict.dict
                             );
+                            expect(dataset.PixelData instanceof ArrayBuffer).to.be.true;
                             datasets.push(dataset);
                         });