diff --git a/sdrbase/gui/glscopeng.cpp b/sdrbase/gui/glscopeng.cpp
index ee7dabbdc..0b43d791f 100644
--- a/sdrbase/gui/glscopeng.cpp
+++ b/sdrbase/gui/glscopeng.cpp
@@ -829,7 +829,13 @@ void GLScopeNG::paintGL()
 
             GLfloat q3[2*(end - start)];
             const float *trace0 = (*m_traces)[0];
-            //memcpy(q3, &(trace0[1]), (2*(end - start) - 1)*sizeof(float)); // copy X values
+            memcpy(q3, &(trace0[1]), (2*(end - start) - 1)*sizeof(float)); // copy X values
+
+//            for(int i = start; i < end; i++)
+//            {
+//                float x = trace0[2*(i-start)+1];
+//                q3[2*(i-start)] = x;
+//            }
 
             for (int i = 1; i < m_traces->size(); i++)
             {
@@ -838,17 +844,7 @@ void GLScopeNG::paintGL()
 
                 for(int i = start; i < end; i++)
                 {
-                    float x = trace0[2*(i-start)+1];
                     float y = trace[2*(i-start)+1];
-                    if(x > 1.0f)
-                        x = 1.0f;
-                    else if(x < -1.0f)
-                        x = -1.0f;
-                    if(y > 1.0f)
-                        y = 1.0f;
-                    else if(y < -1.0f)
-                        y = -1.0f;
-                    q3[2*(i-start)] = x;
                     q3[2*(i-start)+1] = y;
                 }