diff --git a/pdb-plotting/src/main/java/org/lucares/recommind/logs/GnuplotFileGenerator.java b/pdb-plotting/src/main/java/org/lucares/recommind/logs/GnuplotFileGenerator.java
index 50cf000..bb6bbd1 100644
--- a/pdb-plotting/src/main/java/org/lucares/recommind/logs/GnuplotFileGenerator.java
+++ b/pdb-plotting/src/main/java/org/lucares/recommind/logs/GnuplotFileGenerator.java
@@ -36,7 +36,12 @@ public class GnuplotFileGenerator {
 			final int min = Math.max(settings.getYRangeMin(), graphOffset);
 			final int max = settings.getYRangeMax();
 			appendfln(result, String.format("set yrange [\"%d\":\"%d\"]", min, max));
-		} else {
+		} else if(dataSeries.isEmpty()) {
+		  // If there is no data, then Gnuplot won't generate an image.
+		  // Workaround is to explicitly specify the y-axis range. 
+		  // We choose a range for which no ticks are defined. This creates an empty y-axis.
+		  appendfln(result, "set yrange [\"%d\":\"%d\"]", 0, -1);
+		}else {
 			appendfln(result, "set yrange [\"" + graphOffset + "\":]");
 		}