diff --git a/matRad_computeSSD.m b/matRad_computeSSD.m
index f9189f69b..811277bb7 100644
--- a/matRad_computeSSD.m
+++ b/matRad_computeSSD.m
@@ -35,6 +35,9 @@
     mode = 'first';
 end
 
+% booleon to show warnings only once in the console
+boolShowWarning = true;
+
 % set density threshold for SSD computation
 densityThreshold = 0.05;
 
@@ -50,13 +53,16 @@
                                  {ct.cube{1}});
             ixSSD = find(rho{1} > densityThreshold,1,'first');
 
-            
-            if isempty(ixSSD)
-                warning('ray does not hit patient. Trying to fix afterwards...');
-            elseif ixSSD(1) == 1
-                warning('Surface for SSD calculation starts directly in first voxel of CT\n');
+            if boolShowWarning
+                if isempty(ixSSD)
+                    matRad_dispToConsole('ray does not hit patient. Trying to fix afterwards...',[],'warning');
+                    boolShowWarning = false;
+                elseif ixSSD(1) == 1
+                    matRad_dispToConsole('Surface for SSD calculation starts directly in first voxel of CT\n',[],'warning');
+                    boolShowWarning = false;
+                end
             end
-
+            
             % calculate SSD
             SSD{j} = double(2 * stf(i).SAD * alpha(ixSSD));
             stf(i).ray(j).SSD = SSD{j};            
diff --git a/matRad_dispToConsole.m b/matRad_dispToConsole.m
index 342b7d704..42cdda068 100644
--- a/matRad_dispToConsole.m
+++ b/matRad_dispToConsole.m
@@ -48,7 +48,7 @@ function matRad_dispToConsole(string,param,typeOfMessage,formatSpec)
 
       if param.logLevel < 4
 
-         fprintf(string);
+         fprintf(['[\bWarning:]\b ' string]);
 
       end