diff --git a/bootstrap/src/main/java/org/jboss/windup/bootstrap/commands/windup/RunWindupCommand.java b/bootstrap/src/main/java/org/jboss/windup/bootstrap/commands/windup/RunWindupCommand.java
index 1b6160c751..b7be72b730 100644
--- a/bootstrap/src/main/java/org/jboss/windup/bootstrap/commands/windup/RunWindupCommand.java
+++ b/bootstrap/src/main/java/org/jboss/windup/bootstrap/commands/windup/RunWindupCommand.java
@@ -128,12 +128,8 @@ private int runWindup(List<String> arguments) {
                         i--;
                         break;
                     }
-
-                    String valueString = arguments.get(i);
-                    // Lists are space delimited. split them here.
-                    for (String value : StringUtils.split(valueString, ' '))
-                        values.add(convertType(option.getType(), value));
-
+                    final String valueString = arguments.get(i);
+                    if (!StringUtils.isBlank(valueString)) values.add(convertType(option.getType(), StringUtils.trim(valueString)));
                     i++;
                 }