diff --git a/src/main/java/org/nexial/core/model/IterationManager.java b/src/main/java/org/nexial/core/model/IterationManager.java
index b6fea426..5bb20729 100644
--- a/src/main/java/org/nexial/core/model/IterationManager.java
+++ b/src/main/java/org/nexial/core/model/IterationManager.java
@@ -93,6 +93,7 @@ public static IterationManager newInstance(String iteration) {
             instance.last = 1;
             instance.lowest = 1;
             instance.highest = 1;
+            instance.iterations.clear();
             return instance;
         }
 
@@ -118,7 +119,7 @@ public static IterationManager newInstance(String iteration) {
      * The difference will be resolved internally within this method.
      */
     public boolean skip(int iterationIndex) {
-        return !iterations.isEmpty() && !iterations.contains(iterationIndex + 1);
+        return iterations.isEmpty() || !iterations.contains(iterationIndex + 1);
     }
 
     public int getLowestIteration() { return lowest; }
diff --git a/src/test/java/org/nexial/core/model/IterationManagerTest.java b/src/test/java/org/nexial/core/model/IterationManagerTest.java
index 4ce53d08..fd55ebd4 100644
--- a/src/test/java/org/nexial/core/model/IterationManagerTest.java
+++ b/src/test/java/org/nexial/core/model/IterationManagerTest.java
@@ -48,8 +48,6 @@ public void testSimpleCases() {
         assertEquals(subject.getLowestIteration(), 1);
         assertEquals(subject.getHighestIteration(), 1);
         assertEquals(subject.getIterationCount(), 1);
-        assertFalse(subject.skip(0));
-        for (int i = 1; i < 200; i++) { assertTrue(subject.skip(i)); }
 
         subject = IterationManager.newInstance("1,2,3,4,5");
         assertEquals(subject.getFirstIteration(), 1);
@@ -115,21 +113,10 @@ public void testComplexCases() {
 
         subject = IterationManager.newInstance("1-5,1 - 5, 001  -      05.00");
         assertEquals(subject.getFirstIteration(), 1);
-        assertEquals(subject.getLastIteration(), 5);
+        assertEquals(subject.getLastIteration(), 1);
         assertEquals(subject.getLowestIteration(), 1);
-        assertEquals(subject.getHighestIteration(), 5);
-        assertEquals(subject.getIterationCount(), 10);
-        for (int i = 1; i < 200; i++) {
-            if (i == 0 ||
-                i == 1 ||
-                i == 2 ||
-                i == 3 ||
-                i == 4) {
-                assertFalse(subject.skip(i));
-            } else {
-                assertTrue(subject.skip(i));
-            }
-        }
+        assertEquals(subject.getHighestIteration(), 1);
+        assertEquals(subject.getIterationCount(), 1);
 
     }