diff --git a/cmake_admin/FindGLib2.cmake b/cmake_admin/FindGLib2.cmake
index f6fa6f183..90379e4a6 100644
--- a/cmake_admin/FindGLib2.cmake
+++ b/cmake_admin/FindGLib2.cmake
@@ -35,7 +35,7 @@ find_package(PkgConfig QUIET)
 pkg_check_modules(PC_GLIB2 QUIET glib-2.0)
 pkg_check_modules(PC_GTHREAD2 QUIET gthread-2.0)
 pkg_check_modules(PC_GMODULE2 QUIET gmodule-2.0)
-pkg_check_modules(PC_GMODULE2 QUIET gobject-2.0)
+pkg_check_modules(PC_GOBJECT2 QUIET gobject-2.0)
 
 # Find the headers and libraries
 find_path(
@@ -209,7 +209,7 @@ if(GLib2_gobject-2_LIBRARY AND NOT TARGET GLib2::gobject-2)
   # Handle transitive dependencies
   if(PC_GOBJECT2_FOUND)
     get_target_properties_from_pkg_config("${GLib2_gobject-2_LIBRARY}"
-                                          "PC_OBJECT2" "_gobject2")
+                                          "PC_GOBJECT2" "_gobject2")
   else()
     find_package(libffi QUIET)
     set(_gobject2_link_libraries "libffi" "GLib2::glib-2")
diff --git a/doc/fluidsettings.xml b/doc/fluidsettings.xml
index 643c07032..6b33fab63 100644
--- a/doc/fluidsettings.xml
+++ b/doc/fluidsettings.xml
@@ -180,8 +180,8 @@ Developers:
                 <ul>
                     <li>gs: (default) CC0 becomes the bank number, CC32 is ignored.</li>
                     <li>gm: ignores CC0 and CC32 messages.</li>
-                    <li>xg: if CC0&lt;120 then channel is set to melodic and CC32 is the bank number. If CC0&gt;=120 then channel is set to drum and the bank number is set to 128 (CC32 is ignored).</li>
                     <li>mma: bank is calculated as CC0*128+CC32.</li>
+                    <li>xg: If CC0 is equal to 120, 126, or 127 then channel is set to drum and the bank number is set to 128 (CC32 is ignored). Otherwise the channel is set to melodic and CC32 is the bank number. Note that you need fluidsynth &gt;=2.3.5 for this to work correctly, previous versions behaved incorrectly.</li>
                 </ul>
             </desc>
         </setting>
diff --git a/src/sfloader/fluid_defsfont.c b/src/sfloader/fluid_defsfont.c
index 60d4738d4..ef7307dbc 100644
--- a/src/sfloader/fluid_defsfont.c
+++ b/src/sfloader/fluid_defsfont.c
@@ -1752,7 +1752,7 @@ fluid_preset_zone_get_inst(fluid_preset_zone_t *zone)
  * new_fluid_inst
  */
 fluid_inst_t *
-new_fluid_inst()
+new_fluid_inst(void)
 {
     fluid_inst_t *inst = FLUID_NEW(fluid_inst_t);
 
diff --git a/src/sfloader/fluid_sfont.c b/src/sfloader/fluid_sfont.c
index 00423c003..cad6f18da 100644
--- a/src/sfloader/fluid_sfont.c
+++ b/src/sfloader/fluid_sfont.c
@@ -497,7 +497,7 @@ void delete_fluid_preset(fluid_preset_t *preset)
  * @return  The sample on success, NULL otherwise.
  */
 fluid_sample_t *
-new_fluid_sample()
+new_fluid_sample(void)
 {
     fluid_sample_t *sample = NULL;
 
@@ -544,7 +544,7 @@ delete_fluid_sample(fluid_sample_t *sample)
  *
  * @warning Do NOT allocate samples on the stack and assign them to a voice!
  */
-size_t fluid_sample_sizeof()
+size_t fluid_sample_sizeof(void)
 {
     return sizeof(fluid_sample_t);
 }
diff --git a/src/synth/fluid_event.c b/src/synth/fluid_event.c
index 48b781bd7..88adb77b1 100644
--- a/src/synth/fluid_event.c
+++ b/src/synth/fluid_event.c
@@ -56,7 +56,7 @@ fluid_event_clear(fluid_event_t *evt)
  * @return New sequencer event structure or NULL if out of memory
  */
 fluid_event_t *
-new_fluid_event()
+new_fluid_event(void)
 {
     fluid_event_t *evt;