diff --git a/src/main/java/org/jenkinsci/plugins/vsphere/tools/CloudProvisioningAlgorithm.java b/src/main/java/org/jenkinsci/plugins/vsphere/tools/CloudProvisioningAlgorithm.java
index 20f37720..e9075000 100644
--- a/src/main/java/org/jenkinsci/plugins/vsphere/tools/CloudProvisioningAlgorithm.java
+++ b/src/main/java/org/jenkinsci/plugins/vsphere/tools/CloudProvisioningAlgorithm.java
@@ -70,7 +70,7 @@ public static String findUnusedName(CloudProvisioningRecord record) {
         final int maxAttempts = hasCap ? (templateInstanceCap) : 100;
         for (int attempt = 0; attempt < maxAttempts; attempt++) {
             final String suffix = hasCap ? calcSequentialSuffix(attempt) : calcRandomSuffix(attempt);
-            final String nodeName = cloneNamePrefix + "_" + suffix;
+            final String nodeName = cloneNamePrefix + suffix;
             if (!existingNames.contains(nodeName)) {
                 return nodeName;
             }
@@ -134,4 +134,4 @@ static BigInteger toBigInteger(final long msb, final long lsb) {
         final BigInteger bigNumber = new BigInteger(bytes);
         return bigNumber;
     }
-}
\ No newline at end of file
+}
diff --git a/src/test/java/org/jenkinsci/plugins/vsphere/tools/CloudProvisioningAlgorithmTest.java b/src/test/java/org/jenkinsci/plugins/vsphere/tools/CloudProvisioningAlgorithmTest.java
index 785e36fb..02f2af5b 100644
--- a/src/test/java/org/jenkinsci/plugins/vsphere/tools/CloudProvisioningAlgorithmTest.java
+++ b/src/test/java/org/jenkinsci/plugins/vsphere/tools/CloudProvisioningAlgorithmTest.java
@@ -200,8 +200,8 @@ public void findUnusedNameGivenZeroOfTwoExistsThenReturnsOneThenTwo() {
         // Given
         final CloudProvisioningRecord record = createInstance(2, 0, 0);
         final String prefix = record.getTemplate().getCloneNamePrefix();
-        final String expected1 = prefix + "_1";
-        final String expected2 = prefix + "_2";
+        final String expected1 = prefix + "1";
+        final String expected2 = prefix + "2";
 
         // When
         final String actual1 = CloudProvisioningAlgorithm.findUnusedName(record);
@@ -219,10 +219,10 @@ public void findUnusedNameGivenMiddleOfThreeStillExistsThenReturnsOneThenThree()
         // Given
         final CloudProvisioningRecord record = createInstance(3, 0, 0);
         final String prefix = record.getTemplate().getCloneNamePrefix();
-        final String expected1 = prefix + "_1";
-        final String unwanted = prefix + "_2";
+        final String expected1 = prefix + "1";
+        final String unwanted = prefix + "2";
         record.setCurrentlyUnwanted(unwanted, false);
-        final String expected2 = prefix + "_3";
+        final String expected2 = prefix + "3";
 
         // When
         final String actual1 = CloudProvisioningAlgorithm.findUnusedName(record);
@@ -240,9 +240,9 @@ public void findUnusedNameGivenNoSpaceThenThrowsIllegalStateException() {
         // Given
         final CloudProvisioningRecord record = createInstance(3, 0, 0);
         final String prefix = record.getTemplate().getCloneNamePrefix();
-        final String unwanted = prefix + "_1";
-        final String active = prefix + "_2";
-        final String planned = prefix + "_3";
+        final String unwanted = prefix + "1";
+        final String active = prefix + "2";
+        final String planned = prefix + "3";
         record.setCurrentlyUnwanted(unwanted, false);
         record.addCurrentlyActive(active);
         record.addCurrentlyPlanned(planned);
@@ -264,7 +264,7 @@ public void findUnusedNameGivenOneOfTwoHasEndedThenReturnsOne() {
         // Given
         final CloudProvisioningRecord record = createInstance(2, 0, 0);
         final String prefix = record.getTemplate().getCloneNamePrefix();
-        final String expected = prefix + "_1";
+        final String expected = prefix + "1";
 
         // When
         final String actual1 = CloudProvisioningAlgorithm.findUnusedName(record);
@@ -296,7 +296,7 @@ public void findUnusedNameGivenUncappedInstancesThenReturnsUniqueNames() {
         // Then
         final List<String> uniques = new ArrayList<String>(new LinkedHashSet<String>(actuals));
         assertThat(actuals, equalTo(uniques));
-        assertThat(actuals, everyItem(startsWith(prefix + "_")));
+        assertThat(actuals, everyItem(startsWith(prefix)));
     }
 
     private CloudProvisioningRecord createInstance(int capacity, int provisioned, int planned) {