diff --git a/platform/platform-api/src/com/intellij/execution/configurations/ParametersList.java b/platform/platform-api/src/com/intellij/execution/configurations/ParametersList.java
index 61ec556aff2f..43fc92488981 100644
--- a/platform/platform-api/src/com/intellij/execution/configurations/ParametersList.java
+++ b/platform/platform-api/src/com/intellij/execution/configurations/ParametersList.java
@@ -222,7 +222,7 @@ public class ParametersList implements Cloneable {
 
   @Nullable
   public String getLast() {
-    return myParameters.get(myParameters.size() - 1);
+    return myParameters.size() > 0 ? myParameters.get(myParameters.size() - 1) : null;
   }
 
   public void add(@NonNls final String name, @NonNls final String value) {