diff --git a/src/main/java/strman/Strman.java b/src/main/java/strman/Strman.java
index 516b9d3..8a92aaa 100644
--- a/src/main/java/strman/Strman.java
+++ b/src/main/java/strman/Strman.java
@@ -370,23 +370,28 @@ public abstract class Strman {
         return value.chars().mapToObj(ch -> leftPad(Integer.toString(ch), "0", 5)).collect(joining());
     }
 
+    /**
+     * Ensures that the value ends with suffix. If it doesn't, it's appended. This operation is case sensitive.
+     *
+     * @param value         The input String
+     * @param suffix        The substr to be ensured to be right
+     * @return The string which is guarenteed to start with substr
+     */
+    public static String ensureRight(final String value, final String suffix) {
+        return ensureRight(value, suffix, true);
+    }
+
     /**
      * Ensures that the value ends with suffix. If it doesn't, it's appended.
      *
      * @param value         The input String
      * @param suffix        The substr to be ensured to be right
      * @param caseSensitive Use case (in-)sensitive matching for determining if value already ends with suffix
-     * @return
+     * @return The string which is guarenteed to start with substr
      */
     public static String ensureRight(final String value, final String suffix, boolean caseSensitive) {
         validate(value, NULL_STRING_PREDICATE, NULL_STRING_MSG_SUPPLIER);
-        boolean endsWith;
-        if (caseSensitive) {
-            endsWith = value.endsWith(suffix);
-        } else {
-            endsWith = value.toLowerCase().endsWith(suffix.toLowerCase());
-        }
-        return endsWith ? value : append(value, suffix);
+        return endsWith(value, suffix, caseSensitive) ? value : append(value, suffix);
     }
 
     public static String leftPad(final String value, final String pad, final int length) {
diff --git a/src/test/java/strman/StrmanTest.java b/src/test/java/strman/StrmanTest.java
index eb6e75e..c810fe4 100644
--- a/src/test/java/strman/StrmanTest.java
+++ b/src/test/java/strman/StrmanTest.java
@@ -306,6 +306,6 @@ public class StrmanTest {
     @Test
     public void ensureRight_shouldEnsureStringEndsWithBar() throws Exception {
         assertThat(Stream.of("foo", "foobar", "fooBAR").map(el -> ensureRight(el, "bar", false)).collect(toList()), hasItems("foobar", "foobar", "fooBAR"));
-        assertThat(Stream.of("foo", "foobar", "fooBAR").map(el -> ensureRight(el, "bar", true)).collect(toList()), hasItems("foobar", "foobar", "fooBARbar"));
+        assertThat(Stream.of("foo", "foobar", "fooBAR").map(el -> ensureRight(el, "bar")).collect(toList()), hasItems("foobar", "foobar", "fooBARbar"));
     }
 }
\ No newline at end of file