diff --git a/src/Function2D.cu b/src/Function2D.cu
index 6838292..57f4f46 100644
--- a/src/Function2D.cu
+++ b/src/Function2D.cu
@@ -1713,6 +1713,11 @@ __global__ void validKernel(const float* aData, const float* aValid, float* aOut
 
 Aurora::CudaMatrix Aurora::valid(const Aurora::CudaMatrix aData, const Aurora::CudaMatrix aValid)
 {
+    auto validEnable = Aurora::sum(aValid);
+    if(validEnable.toHostMatrix()[0] == 0)
+    {
+        return aData;
+    }
     int validSize = aValid.getDataSize();
     int rowCount = aData.getDimSize(0);
     float* hostValid = new float[validSize];