diff --git a/nd4j/nd4j-backends/nd4j-backend-impls/nd4j-cuda/src/main/java/org/nd4j/linalg/jcublas/buffer/BaseCudaDataBuffer.java b/nd4j/nd4j-backends/nd4j-backend-impls/nd4j-cuda/src/main/java/org/nd4j/linalg/jcublas/buffer/BaseCudaDataBuffer.java
index 14e64df61..1da7e1c36 100644
--- a/nd4j/nd4j-backends/nd4j-backend-impls/nd4j-cuda/src/main/java/org/nd4j/linalg/jcublas/buffer/BaseCudaDataBuffer.java
+++ b/nd4j/nd4j-backends/nd4j-backend-impls/nd4j-cuda/src/main/java/org/nd4j/linalg/jcublas/buffer/BaseCudaDataBuffer.java
@@ -1630,7 +1630,7 @@ public abstract class BaseCudaDataBuffer extends BaseDataBuffer implements JCuda
             setIndexer(ShortIndexer.create((ShortPointer) pointer));
         } else if (t == DataType.UINT32) {
             pointer = new PagedPointer(cptr, length).asIntPointer();
-            setIndexer(IntIndexer.create((IntPointer) pointer));
+            setIndexer(UIntIndexer.create((IntPointer) pointer));
         } else if (t == DataType.INT) {
             pointer = new PagedPointer(cptr, length).asIntPointer();
             setIndexer(IntIndexer.create((IntPointer) pointer));
@@ -1699,6 +1699,9 @@ public abstract class BaseCudaDataBuffer extends BaseDataBuffer implements JCuda
                         indexer = ShortIndexer.create((ShortPointer) pointer);
                         break;
                     case UINT32:
+                        pointer = nPtr.asIntPointer();
+                        indexer = UIntIndexer.create((IntPointer) pointer);
+                        break;
                     case INT:
                         pointer = nPtr.asIntPointer();
                         indexer = IntIndexer.create((IntPointer) pointer);
@@ -1750,6 +1753,9 @@ public abstract class BaseCudaDataBuffer extends BaseDataBuffer implements JCuda
                     indexer = ShortIndexer.create((ShortPointer) pointer);
                     break;
                 case UINT32:
+                    pointer = nPtr.asIntPointer();
+                    indexer = UIntIndexer.create((IntPointer) pointer);
+                    break;
                 case INT:
                     pointer = nPtr.asIntPointer();
                     indexer = IntIndexer.create((IntPointer) pointer);
diff --git a/nd4j/nd4j-backends/nd4j-backend-impls/nd4j-native/src/main/java/org/nd4j/linalg/cpu/nativecpu/buffer/BaseCpuDataBuffer.java b/nd4j/nd4j-backends/nd4j-backend-impls/nd4j-native/src/main/java/org/nd4j/linalg/cpu/nativecpu/buffer/BaseCpuDataBuffer.java
index 7a2a8467a..6666068da 100644
--- a/nd4j/nd4j-backends/nd4j-backend-impls/nd4j-native/src/main/java/org/nd4j/linalg/cpu/nativecpu/buffer/BaseCpuDataBuffer.java
+++ b/nd4j/nd4j-backends/nd4j-backend-impls/nd4j-native/src/main/java/org/nd4j/linalg/cpu/nativecpu/buffer/BaseCpuDataBuffer.java
@@ -411,7 +411,7 @@ public abstract class BaseCpuDataBuffer extends BaseDataBuffer implements Deallo
             setIndexer(ShortIndexer.create((ShortPointer) pointer));
         } else if (t == DataType.UINT32) {
             pointer = new PagedPointer(cptr, length).asIntPointer();
-            setIndexer(IntIndexer.create((IntPointer) pointer));
+            setIndexer(UIntIndexer.create((IntPointer) pointer));
         } else if (t == DataType.INT) {
             pointer = new PagedPointer(cptr, length).asIntPointer();
             setIndexer(IntIndexer.create((IntPointer) pointer));
@@ -514,7 +514,6 @@ public abstract class BaseCpuDataBuffer extends BaseDataBuffer implements Deallo
             attached = true;
             parentWorkspace = workspace;
 
-            // FIXME: need unsigned indexer here
             pointer = workspace.alloc(length * getElementSize(), dataType(), initialize).asIntPointer(); //new IntPointer(length());
             setIndexer(UIntIndexer.create((IntPointer) pointer));
 
@@ -882,6 +881,9 @@ public abstract class BaseCpuDataBuffer extends BaseDataBuffer implements Deallo
                     indexer = ShortIndexer.create((ShortPointer) pointer);
                     break;
                 case UINT32:
+                    pointer = nPtr.asIntPointer();
+                    indexer = UIntIndexer.create((IntPointer) pointer);
+                    break;
                 case INT:
                     pointer = nPtr.asIntPointer();
                     indexer = IntIndexer.create((IntPointer) pointer);
@@ -932,6 +934,9 @@ public abstract class BaseCpuDataBuffer extends BaseDataBuffer implements Deallo
                     indexer = ShortIndexer.create((ShortPointer) pointer);
                     break;
                 case UINT32:
+                    pointer = nPtr.asIntPointer();
+                    indexer = UIntIndexer.create((IntPointer) pointer);
+                    break;
                 case INT:
                     pointer = nPtr.asIntPointer();
                     indexer = IntIndexer.create((IntPointer) pointer);
diff --git a/nd4j/nd4j-backends/nd4j-tests/src/test/java/org/nd4j/linalg/Nd4jTestsC.java b/nd4j/nd4j-backends/nd4j-tests/src/test/java/org/nd4j/linalg/Nd4jTestsC.java
index 46f47017e..a70ede362 100644
--- a/nd4j/nd4j-backends/nd4j-tests/src/test/java/org/nd4j/linalg/Nd4jTestsC.java
+++ b/nd4j/nd4j-backends/nd4j-tests/src/test/java/org/nd4j/linalg/Nd4jTestsC.java
@@ -8411,6 +8411,56 @@ public class Nd4jTestsC extends BaseNd4jTest {
             INDArray arr = Nd4j.create(db, new long[]{lengthElements});
 
             arr.toStringFull();
+            arr.toString();
+
+            for(DataType dt2 : DataType.values()) {
+                if (dt2 == DataType.COMPRESSED || dt2 == DataType.UTF8 || dt2 == DataType.UNKNOWN)
+                    continue;
+                INDArray a2 = arr.castTo(dt2);
+                a2.toStringFull();
+            }
+        }
+    }
+
+    @Test
+    public void testCreateBufferFromByteBufferViews(){
+
+        for(DataType dt : DataType.values()){
+            if(dt == DataType.COMPRESSED || dt == DataType.UTF8 || dt == DataType.UNKNOWN)
+                continue;
+//            System.out.println(dt);
+
+            int lengthBytes = 256;
+            int lengthElements = lengthBytes / dt.width();
+            ByteBuffer bb = ByteBuffer.allocateDirect(lengthBytes);
+
+            DataBuffer db = Nd4j.createBuffer(bb, dt, lengthElements, 0);
+            INDArray arr = Nd4j.create(db, new long[]{lengthElements/2, 2});
+
+            arr.toStringFull();
+
+            INDArray view = arr.get(NDArrayIndex.all(), NDArrayIndex.point(0));
+            INDArray view2 = arr.get(NDArrayIndex.point(1), NDArrayIndex.all());
+
+            view.toStringFull();
+            view2.toStringFull();
+        }
+    }
+
+    @Test
+    public void testTypeCastingToString(){
+
+        for(DataType dt : DataType.values()) {
+            if (dt == DataType.COMPRESSED || dt == DataType.UTF8 || dt == DataType.UNKNOWN)
+                continue;
+            INDArray a1 = Nd4j.create(dt, 10);
+            for(DataType dt2 : DataType.values()) {
+                if (dt2 == DataType.COMPRESSED || dt2 == DataType.UTF8 || dt2 == DataType.UNKNOWN)
+                    continue;
+
+                INDArray a2 = a1.castTo(dt2);
+                a2.toStringFull();
+            }
         }
     }