diff --git a/gst-plugin/src/demuxer.rs b/gst-plugin/src/demuxer.rs
index 74bd67b7..0078053d 100644
--- a/gst-plugin/src/demuxer.rs
+++ b/gst-plugin/src/demuxer.rs
@@ -342,10 +342,10 @@ impl DemuxerWrapper {
 }
 
 #[no_mangle]
-pub extern "C" fn demuxer_new(demuxer: *mut c_void,
-                              create_instance: fn(Element) -> Box<Demuxer>)
-                              -> *mut DemuxerWrapper {
-    let instance = create_instance(unsafe { Element::new(demuxer) });
+pub unsafe extern "C" fn demuxer_new(demuxer: *mut c_void,
+                                     create_instance: fn(Element) -> Box<Demuxer>)
+                                     -> *mut DemuxerWrapper {
+    let instance = create_instance(Element::new(demuxer));
     Box::into_raw(Box::new(DemuxerWrapper::new(demuxer, instance)))
 }
 
diff --git a/gst-plugin/src/sink.rs b/gst-plugin/src/sink.rs
index 4ae04216..5c9928f3 100644
--- a/gst-plugin/src/sink.rs
+++ b/gst-plugin/src/sink.rs
@@ -176,10 +176,10 @@ impl SinkWrapper {
 }
 
 #[no_mangle]
-pub extern "C" fn sink_new(sink: *mut c_void,
-                           create_instance: fn(Element) -> Box<Sink>)
-                           -> *mut SinkWrapper {
-    let instance = create_instance(unsafe { Element::new(sink) });
+pub unsafe extern "C" fn sink_new(sink: *mut c_void,
+                                  create_instance: fn(Element) -> Box<Sink>)
+                                  -> *mut SinkWrapper {
+    let instance = create_instance(Element::new(sink));
     Box::into_raw(Box::new(SinkWrapper::new(sink, instance)))
 }
 
diff --git a/gst-plugin/src/source.rs b/gst-plugin/src/source.rs
index a8361bac..2338b15d 100644
--- a/gst-plugin/src/source.rs
+++ b/gst-plugin/src/source.rs
@@ -200,10 +200,10 @@ impl SourceWrapper {
 }
 
 #[no_mangle]
-pub extern "C" fn source_new(source: *mut c_void,
-                             create_instance: fn(Element) -> Box<Source>)
-                             -> *mut SourceWrapper {
-    let instance = create_instance(unsafe { Element::new(source) });
+pub unsafe extern "C" fn source_new(source: *mut c_void,
+                                    create_instance: fn(Element) -> Box<Source>)
+                                    -> *mut SourceWrapper {
+    let instance = create_instance(Element::new(source));
 
     Box::into_raw(Box::new(SourceWrapper::new(source, instance)))
 }