diff --git a/src/rssink.c b/src/rssink.c
index 92018e04..6faa230e 100644
--- a/src/rssink.c
+++ b/src/rssink.c
@@ -42,6 +42,8 @@ extern gboolean sink_start (void * filesink);
 extern gboolean sink_stop (void * filesink);
 extern void sink_drop (void * filesink);
 
+extern void cstring_drop (void * str);
+
 GST_DEBUG_CATEGORY_STATIC (gst_rs_sink_debug);
 #define GST_CAT_DEFAULT gst_rs_sink_debug
 
@@ -151,9 +153,13 @@ gst_rs_sink_get_property (GObject * object, guint prop_id, GValue * value,
   GstRsSink *sink = GST_RS_SINK (object);
 
   switch (prop_id) {
-    case PROP_URI:
-      g_value_take_string (value, sink_get_uri (sink->instance));
+    case PROP_URI: {
+      gchar *str = sink_get_uri (sink->instance);
+      g_value_set_string (value, str);
+      if (str)
+        cstring_drop (str);
       break;
+    }
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;
diff --git a/src/rssource.c b/src/rssource.c
index 0338dfa4..38c957a8 100644
--- a/src/rssource.c
+++ b/src/rssource.c
@@ -43,6 +43,8 @@ extern gboolean source_is_seekable (void * source);
 extern gboolean source_start (void * source);
 extern gboolean source_stop (void * source);
 
+extern void cstring_drop (void * str);
+
 GST_DEBUG_CATEGORY_STATIC (gst_rs_src_debug);
 #define GST_CAT_DEFAULT gst_rs_src_debug
 
@@ -161,9 +163,13 @@ gst_rs_src_get_property (GObject * object, guint prop_id, GValue * value,
   GstRsSrc *src = GST_RS_SRC (object);
 
   switch (prop_id) {
-    case PROP_URI:
-      g_value_take_string (value, source_get_uri (src->instance));
+    case PROP_URI: {
+      gchar *str = source_get_uri (src->instance);
+      g_value_set_string (value, str);
+      if (str)
+        cstring_drop (str);
       break;
+    }
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;
diff --git a/src/utils.rs b/src/utils.rs
index 61b3b00b..aa3c8223 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -14,6 +14,10 @@
 //  License along with this library; if not, write to the
 //  Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 //  Boston, MA 02110-1301, USA.
+//
+//
+use libc::c_char;
+use std::ffi::CString;
 
 #[macro_export]
 macro_rules! println_err(
@@ -52,3 +56,8 @@ impl GBoolean {
     }
 }
 
+#[no_mangle]
+pub extern "C" fn cstring_drop(ptr: *mut c_char) {
+    unsafe { CString::from_raw(ptr); }
+}
+