diff --git a/README.md b/README.md
index 987b7ba..a488286 100644
--- a/README.md
+++ b/README.md
@@ -55,7 +55,7 @@ Chesslib dependency can be added via the jitpack repository.
 <dependency>
   <groupId>com.github.bhlangonijr</groupId>
   <artifactId>chesslib</artifactId>
-  <version>1.3.3</version>
+  <version>1.3.4</version>
 </dependency>
 ```
 
@@ -71,7 +71,7 @@ repositories {
 ```groovy
 dependencies {
     ...
-    compile 'com.github.bhlangonijr:chesslib:1.3.3'
+    compile 'com.github.bhlangonijr:chesslib:1.3.4'
     ...
 }
 ```
diff --git a/pom.xml b/pom.xml
index ba381a3..c5ae0a5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>com.github.bhlangonijr.chesslib</groupId>
     <artifactId>chesslib</artifactId>
-    <version>1.3.3</version>
+    <version>1.3.4</version>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/src/main/java/com/github/bhlangonijr/chesslib/Bitboard.java b/src/main/java/com/github/bhlangonijr/chesslib/Bitboard.java
index be5fa45..9a4b0ac 100644
--- a/src/main/java/com/github/bhlangonijr/chesslib/Bitboard.java
+++ b/src/main/java/com/github/bhlangonijr/chesslib/Bitboard.java
@@ -432,7 +432,7 @@ public static long extractLsb(Long bb) {
      * @return {@code true} if the bitboard has only one bit set to 1
      */
     public static boolean hasOnly1Bit(Long bb) {
-        return bb > 0L && extractLsb(bb) == 0L;
+        return bb != 0L && extractLsb(bb) == 0L;
     }
 
     /**
diff --git a/src/test/java/com/github/bhlangonijr/chesslib/bitboard/BitboardTest.java b/src/test/java/com/github/bhlangonijr/chesslib/bitboard/BitboardTest.java
index b861dfe..0426750 100644
--- a/src/test/java/com/github/bhlangonijr/chesslib/bitboard/BitboardTest.java
+++ b/src/test/java/com/github/bhlangonijr/chesslib/bitboard/BitboardTest.java
@@ -5,6 +5,7 @@
 import org.junit.Test;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
 
 /**
  * The type Bitboard test.
@@ -56,4 +57,12 @@ public void testBBFunctions() {
 
     }
 
+    @Test
+    public void testHasOnlyOneBit() {
+
+        for (int i = 0; i < Square.values().length - 1; i++) {
+            assertTrue(Bitboard.hasOnly1Bit(Square.squareAt(i).getBitboard()));
+        }
+    }
+
 }
\ No newline at end of file