diff --git a/libnd4j/include/ops/declarable/helpers/cuda/stack.cu b/libnd4j/include/ops/declarable/helpers/cuda/stack.cu
index c899e0184..e492baf8e 100644
--- a/libnd4j/include/ops/declarable/helpers/cuda/stack.cu
+++ b/libnd4j/include/ops/declarable/helpers/cuda/stack.cu
@@ -64,7 +64,11 @@ namespace helpers {
 		const int threadsPerBlock = MAX_NUM_THREADS / 2;
 		const int blocksPerGrid = scalarCase ? (outArr->lengthOf() + threadsPerBlock - 1) / threadsPerBlock : inArrs.size();
 
-		NDArray::prepareSpecialUse({outArr}, inArrs);
+		NDArray::prepareSpecialUse({outArr}, {});
+
+		// FIXME: !!!
+		for (auto v:inArrs)
+		    NDArray::prepareSpecialUse({}, {v});
 
 		std::vector<void const*> inputList(inArrs.size());
 		std::vector<Nd4jLong const*> inputShapeList(inArrs.size());
@@ -88,8 +92,11 @@ namespace helpers {
         }
         manager.synchronize();
 
-        NDArray::registerSpecialUse({outArr}, inArrs);
+        NDArray::registerSpecialUse({outArr}, {});
 
+        // FIXME: !!!
+        for (auto v:inArrs)
+            NDArray::registerSpecialUse({}, {v});
 	}
 
 	void stack(nd4j::LaunchContext * context, const std::vector<const NDArray*>& inArrs, NDArray* outArr, const int dim) {