diff --git a/pdb-plotting/src/main/java/org/lucares/recommind/logs/Gnuplot.java b/pdb-plotting/src/main/java/org/lucares/recommind/logs/Gnuplot.java
index 52d6dcb..cd6b6d8 100644
--- a/pdb-plotting/src/main/java/org/lucares/recommind/logs/Gnuplot.java
+++ b/pdb-plotting/src/main/java/org/lucares/recommind/logs/Gnuplot.java
@@ -60,7 +60,7 @@ public class Gnuplot {
 		if (System.getProperty(PROPERTY_GNUPLOT_HOME) != null) {
 
 			if (isWindows()) {
-				return System.getProperty(PROPERTY_GNUPLOT_HOME) + "\\bin\\+gnuplot.exe";
+				return System.getProperty(PROPERTY_GNUPLOT_HOME) + "\\bin\\gnuplot.exe";
 			} else {
 				return System.getProperty(PROPERTY_GNUPLOT_HOME) + "/bin/gnuplot";
 			}
@@ -68,7 +68,7 @@ public class Gnuplot {
 		if (System.getenv(ENV_GNUPLOT_HOME) != null) {
 
 			if (isWindows()) {
-				return System.getenv(ENV_GNUPLOT_HOME) + "\\bin\\+gnuplot.exe";
+				return System.getenv(ENV_GNUPLOT_HOME) + "\\bin\\gnuplot.exe";
 			} else {
 				return System.getenv(ENV_GNUPLOT_HOME) + "/bin/gnuplot";
 			}