diff --git a/FDTD/operator.cpp b/FDTD/operator.cpp
index a3c5dc8..cd5a2c1 100644
--- a/FDTD/operator.cpp
+++ b/FDTD/operator.cpp
@@ -330,7 +330,7 @@ void Operator::DumpOperator2File(string filename)
 		return;
 	}
 
-	cout << "Dumping FDTD operator information to vtk file: " << filename << " ..." << flush ;
+	cout << "Operator::Dumping FDTD operator information to vtk file: " << filename << " ..." << flush ;
 
 	FDTD_FLOAT**** exc = Create_N_3DArray<FDTD_FLOAT>(numLines);
 	if (Exc) {
diff --git a/FDTD/operator_sse.cpp b/FDTD/operator_sse.cpp
index be6f24f..9a603ab 100644
--- a/FDTD/operator_sse.cpp
+++ b/FDTD/operator_sse.cpp
@@ -99,7 +99,7 @@ void Operator_sse::DumpOperator2File(string filename)
 		return;
 	}
 
-	cout << "Dumping FDTD operator information to vtk file: " << filename << " ..." << flush ;
+	cout << "Operator_sse::Dumping FDTD operator information to vtk file: " << filename << " ..." << flush ;
 
 
 	FDTD_FLOAT**** exc = Create_N_3DArray<FDTD_FLOAT>(numLines);
diff --git a/FDTD/operator_sse_compressed.cpp b/FDTD/operator_sse_compressed.cpp
index 40d2750..cd18b14 100644
--- a/FDTD/operator_sse_compressed.cpp
+++ b/FDTD/operator_sse_compressed.cpp
@@ -54,6 +54,17 @@ Engine* Operator_SSE_Compressed::CreateEngine() const
 	return eng;
 }
 
+void Operator_SSE_Compressed::DumpOperator2File(string filename)
+{
+	if (m_Use_Compression)
+	{
+		cerr << "Operator_SSE_Compressed::DumpOperator2File: Warning: Operator dump not implemented for a compressed operator yet, try disabling operator compression." << endl;
+		return;
+	}
+	else
+		Operator_sse::DumpOperator2File(filename);
+}
+
 int Operator_SSE_Compressed::CalcECOperator()
 {
 	Operator_sse::CalcECOperator();
diff --git a/FDTD/operator_sse_compressed.h b/FDTD/operator_sse_compressed.h
index 4d843fd..2928a33 100644
--- a/FDTD/operator_sse_compressed.h
+++ b/FDTD/operator_sse_compressed.h
@@ -45,6 +45,8 @@ public:
 
 	virtual Engine* CreateEngine() const;
 
+	virtual void DumpOperator2File(string filename);
+
 	virtual int CalcECOperator();
 
 	inline virtual FDTD_FLOAT& GetVV( unsigned int n, unsigned int x, unsigned int y, unsigned int z ) { if (m_Use_Compression) return f4_vv_Compressed[n][m_Op_index[x][y][z%numVectors]].f[z/numVectors]; else return Operator_sse::GetVV(n,x,y,z);}