--- a/liboctave/CNDArray.cc
+++ b/liboctave/CNDArray.cc
@@ -36,6 +36,7 @@
 #include "functor.h"
 #include "lo-ieee.h"
 #include "lo-mappers.h"
+#include "MArray-defs.h"
 #include "mx-base.h"
 #include "mx-op-defs.h"
 #include "oct-fftw.h"
@@ -1083,6 +1084,22 @@
 NDND_CMP_OPS(ComplexNDArray, std::real, ComplexNDArray, std::real)
 NDND_BOOL_OPS(ComplexNDArray, ComplexNDArray, 0.0)
 
+ComplexNDArray& operator *= (ComplexNDArray& a, double s)
+{
+  if (a.is_shared ())
+    return a = a * s;
+  DO_VS_OP2 (Complex, a, *=, s)
+  return a;
+}
+
+ComplexNDArray& operator /= (ComplexNDArray& a, double s)
+{
+  if (a.is_shared ())
+    return a = a / s;
+  DO_VS_OP2 (Complex, a, /=, s)
+  return a;
+}
+
 /*
 ;;; Local Variables: ***
 ;;; mode: C++ ***