diff --git a/src/modules/module-remap-sink.c b/src/modules/module-remap-sink.c
index 2822a7f..0c216d4 100644
--- a/src/modules/module-remap-sink.c
+++ b/src/modules/module-remap-sink.c
@@ -291,7 +291,7 @@ static pa_bool_t sink_input_may_move_to_cb(pa_sink_input *i, pa_sink *dest) {
     pa_sink_input_assert_ref(i);
     pa_assert_se(u = i->userdata);
 
-    return u->sink != dest;
+    return (u->sink != dest) && pa_sink_check_loop(dest, u->module);
 }
 
 /* Called from main context */
diff --git a/src/pulsecore/sink.c b/src/pulsecore/sink.c
index 2d214cf..9c7e2bb 100644
--- a/src/pulsecore/sink.c
+++ b/src/pulsecore/sink.c
@@ -1456,6 +1456,17 @@ pa_sink *pa_sink_get_master(pa_sink *s) {
     return s;
 }
 
+/* Called from the main thread */
+/* Checks if "dest" is loaded by another instance of "m". This is meant to be
+ * used by filter modules to verify that they are not causing a loop. */
+pa_bool_t pa_sink_check_loop(pa_sink *dest, pa_module *m) {
+    pa_assert(dest->module);
+    pa_assert(dest->module->name);
+    pa_assert(m->name);
+
+    return pa_streq(dest->module->name, m->name);
+}
+
 /* Called from main context */
 pa_bool_t pa_sink_is_passthrough(pa_sink *s) {
     pa_sink_input *alt_i;
diff --git a/src/pulsecore/sink.h b/src/pulsecore/sink.h
index 56fa735..812105f 100644
--- a/src/pulsecore/sink.h
+++ b/src/pulsecore/sink.h
@@ -421,6 +421,8 @@ pa_bool_t pa_sink_flat_volume_enabled(pa_sink *s);
 
 /* Get the master sink when sharing volumes */
 pa_sink *pa_sink_get_master(pa_sink *s);
+/* Make sure sink dest isn't loaded by an instance of module m */
+pa_bool_t pa_sink_check_loop(pa_sink *dest, pa_module *m);
 
 /* Is the sink in passthrough mode? (that is, is there a passthrough sink input
  * connected to this sink? */