diff --git a/src/CudaMatrix.cpp b/src/CudaMatrix.cpp
index de7076a..6108797 100644
--- a/src/CudaMatrix.cpp
+++ b/src/CudaMatrix.cpp
@@ -51,7 +51,7 @@ float CudaMatrix::getScalar() const
 {
     if (isNull()) return 0.0;
     if (isNull()) return 0.0;
-    return getData()[0];
+    return getValue(0);
 }
 
 bool CudaMatrix::isVector() const