diff --git a/core/packed_data_container.cpp b/core/packed_data_container.cpp
index 99bed829c10..baaa8ee7935 100644
--- a/core/packed_data_container.cpp
+++ b/core/packed_data_container.cpp
@@ -224,7 +224,8 @@ uint32_t PackedDataContainer::_pack(const Variant &p_data, Vector<uint8_t> &tmpd
 
 			string_cache[s] = tmpdata.size();
 
-		}; //fallthrough
+			FALLTHROUGH;
+		};
 		case Variant::NIL:
 		case Variant::BOOL:
 		case Variant::INT:
diff --git a/editor/plugins/tile_map_editor_plugin.cpp b/editor/plugins/tile_map_editor_plugin.cpp
index b1fc14e88a1..77e36e34f81 100644
--- a/editor/plugins/tile_map_editor_plugin.cpp
+++ b/editor/plugins/tile_map_editor_plugin.cpp
@@ -61,8 +61,8 @@ void TileMapEditor::_notification(int p_what) {
 			if (is_visible_in_tree()) {
 				_update_palette();
 			}
-
-		} // fallthrough
+			FALLTHROUGH;
+		}
 
 		case NOTIFICATION_ENTER_TREE: {
 
diff --git a/modules/gdscript/gdscript_editor.cpp b/modules/gdscript/gdscript_editor.cpp
index 107a7e7b71c..dd9ffede765 100644
--- a/modules/gdscript/gdscript_editor.cpp
+++ b/modules/gdscript/gdscript_editor.cpp
@@ -2491,7 +2491,8 @@ Error GDScriptLanguage::complete_code(const String &p_code, const String &p_base
 		} break;
 		case GDScriptParser::COMPLETION_FUNCTION: {
 			is_function = true;
-		} // fallthrough
+			FALLTHROUGH;
+		}
 		case GDScriptParser::COMPLETION_IDENTIFIER: {
 			_find_identifiers(context, is_function, options);
 		} break;
@@ -2530,7 +2531,8 @@ Error GDScriptLanguage::complete_code(const String &p_code, const String &p_base
 		} break;
 		case GDScriptParser::COMPLETION_METHOD: {
 			is_function = true;
-		} // fallthrough
+			FALLTHROUGH;
+		}
 		case GDScriptParser::COMPLETION_INDEX: {
 			const GDScriptParser::Node *node = parser.get_completion_node();
 			if (node->type != GDScriptParser::Node::TYPE_OPERATOR) {
@@ -3227,7 +3229,8 @@ Error GDScriptLanguage::lookup_code(const String &p_code, const String &p_symbol
 		case GDScriptParser::COMPLETION_PARENT_FUNCTION:
 		case GDScriptParser::COMPLETION_FUNCTION: {
 			is_function = true;
-		} // fallthrough
+			FALLTHROUGH;
+		}
 		case GDScriptParser::COMPLETION_IDENTIFIER: {
 
 			if (!is_function) {
@@ -3358,7 +3361,8 @@ Error GDScriptLanguage::lookup_code(const String &p_code, const String &p_symbol
 		} break;
 		case GDScriptParser::COMPLETION_METHOD: {
 			is_function = true;
-		} // fallthrough
+			FALLTHROUGH;
+		}
 		case GDScriptParser::COMPLETION_INDEX: {
 			const GDScriptParser::Node *node = parser.get_completion_node();
 			if (node->type != GDScriptParser::Node::TYPE_OPERATOR) {
diff --git a/platform/windows/os_windows.cpp b/platform/windows/os_windows.cpp
index 6125455e746..229e66a2ebf 100644
--- a/platform/windows/os_windows.cpp
+++ b/platform/windows/os_windows.cpp
@@ -827,8 +827,8 @@ LRESULT OS_Windows::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 			if (wParam==VK_WIN) TODO wtf is this?
 				meta_mem=uMsg==WM_KEYDOWN;
 			*/
-
-		} //fallthrough
+			FALLTHROUGH;
+		}
 		case WM_CHAR: {
 
 			ERR_BREAK(key_event_pos >= KEY_EVENT_BUFFER_SIZE);
diff --git a/scene/resources/particles_material.cpp b/scene/resources/particles_material.cpp
index ef67e6ea809..7534891edb9 100644
--- a/scene/resources/particles_material.cpp
+++ b/scene/resources/particles_material.cpp
@@ -184,7 +184,8 @@ void ParticlesMaterial::_update_shader() {
 		} break;
 		case EMISSION_SHAPE_DIRECTED_POINTS: {
 			code += "uniform sampler2D emission_texture_normal : hint_black;\n";
-		} //fallthrough
+			FALLTHROUGH;
+		}
 		case EMISSION_SHAPE_POINTS: {
 			code += "uniform sampler2D emission_texture_points : hint_black;\n";
 			code += "uniform int emission_texture_point_count;\n";