diff --git a/build.gradle b/build.gradle
index b9b3a30..9d4711f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,7 +2,7 @@ apply plugin: "groovy"
 apply plugin: "maven"
 
 group = "com.jdbernard"
-version = "4.1"
+version = "4.2"
 
 repositories {
     mavenLocal()
diff --git a/src/main/groovy/com/jdbernard/util/LightOptionParser.groovy b/src/main/groovy/com/jdbernard/util/LightOptionParser.groovy
index 9dec682..2d0b211 100644
--- a/src/main/groovy/com/jdbernard/util/LightOptionParser.groovy
+++ b/src/main/groovy/com/jdbernard/util/LightOptionParser.groovy
@@ -170,12 +170,13 @@ public class LightOptionParser {
                 else {
                     if (!returnOpts.containsKey(optName))
                         returnOpts[optName] = []
-                    returnOpts[optName] += retVal
 
-                    if (optDef.longName) {
-                        if (!returnOpts.containsKey(optDef.longName))
-                            returnOpts[optDef.longName] = []
-                        returnOpts[optDef.longName] += retVal } } }
+                    if (optDef.arguments == 1) returnOpts[optName] += retVal
+                    else returnOpts[optName] << retVal
+
+
+                    if (optDef.longName)
+                        returnOpts[optDef.longName] = returnOpts[optName] } }
 
             /// This was not as option, it is an unclaomed argument.
             else { returnOpts.args << args[i]; i++ } }