diff --git a/appveyor.yml b/appveyor.yml
index 9b7229bd..bf41d3c9 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -49,7 +49,7 @@ install:
 build_script:
 
   # Build NIX Java bindings
-  - mvn clean package -DnixIncludePath=C:/projects/nix-java/nix/include -DboostIncludePath=%BOOST_INCLUDEDIR% -DnixLinkPath=C:/projects/nix-java/nix/build/Release -Dhdf5LinkPath=%HDF5_BASE%/bin -DboostLinkPath=%BOOST_ROOT%/lib -Dmaven.test.failure.ignore=true -Dplatform.dependency=false
+  - mvn clean package -DnixIncludePath=C:/projects/nix-java/nix/include -DboostIncludePath=%BOOST_INCLUDEDIR% -DnixLinkPath=C:/projects/nix-java/nix/build/Release -Dhdf5LinkPath=%HDF5_BASE%/bin -DboostLinkPath=%BOOST_ROOT%/lib -Dplatform.dependency=false
 
 on_failure:
 
diff --git a/pom.xml b/pom.xml
index 9a7e52de..d6cd0a15 100644
--- a/pom.xml
+++ b/pom.xml
@@ -68,7 +68,7 @@
         <dependency>
             <groupId>org.bytedeco</groupId>
             <artifactId>javacpp</artifactId>
-            <version>1.1</version>
+            <version>1.4.4</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>
@@ -100,7 +100,7 @@
             <plugin>
                 <groupId>org.bytedeco</groupId>
                 <artifactId>javacpp</artifactId>
-                <version>1.1</version>
+                <version>1.4.4</version>
                 <configuration>
                     <properties>${platform.properties}</properties>
                     <classPath>${project.build.outputDirectory}</classPath>
diff --git a/src/main/java/org/g_node/nix/Variant.java b/src/main/java/org/g_node/nix/Variant.java
index 3cfa4dfb..94fc8b6f 100644
--- a/src/main/java/org/g_node/nix/Variant.java
+++ b/src/main/java/org/g_node/nix/Variant.java
@@ -150,70 +150,40 @@ public void setString(String value) {
     // Getters
     //--------------------------------------------------
 
-    private native void get(@Cast("bool*") @ByRef BoolPointer out);
-
     /**
      * Getter for boolean value.
      *
      * @return boolean data.
      */
-    public boolean getBoolean() {
-        BoolPointer bp = new BoolPointer(1);
-        get(bp);
-        return bp.get();
-    }
-
-    private native void get(@Cast("int32_t*") @ByRef IntPointer value);
+    public native @Cast("bool") @Name("get<bool>") boolean getBoolean();
 
     /**
      * Getter for 32 bit integer value.
      *
      * @return 32 bit integer data as int.
      */
-    public int getInt() {
-	IntPointer p = new IntPointer(1);
-        get(p);
-        return p.get();
-    }
-
-    private native void get(@Cast("int64_t*") @ByRef LongPointer value);
+    public native @Cast("int32_t") @Name("get<int32_t>") int getInt();
 
     /**
      * Getter for 64 bit integer value.
      *
      * @return 64 bit int in NIX as long.
      */
-    public long getLong() {
-	LongPointer p = new LongPointer(1);
-        get(p);
-        return p.get();
-    }
-
-    private native void get(@ByRef double[] value);
+    public native @Cast("int64_t") @Name("get<int64_t>") long getLong();
 
     /**
      * Getter for double value.
      *
      * @return double data.
      */
-    public double getDouble() {
-        double[] val = new double[1];
-        get(val);
-        return val[0];
-    }
-
-    private native void get(@StdString BytePointer value);
+    public native @Cast("double") @Name("get<double>") double getDouble();
 
     /**
      * Getter for string value.
      *
      * @return string data.
      */
-    public String getString() {
-        BytePointer bp = new BytePointer(1);
-        get(bp);
-        return bp.getString();
-    }
+    public native @StdString @Name("get<std::string>") String getString();
 
     //--------------------------------------------------
     // Other functions