diff --git a/stella/src/macosx/stella.pbproj/project.pbxproj b/stella/src/macosx/stella.pbproj/project.pbxproj
index 3913219c0..f4bf77db4 100755
--- a/stella/src/macosx/stella.pbproj/project.pbxproj
+++ b/stella/src/macosx/stella.pbproj/project.pbxproj
@@ -481,6 +481,7 @@
 				2D6CC10808C811A600B8F642,
 				2DE7243008CE910900C889A8,
 				2D1DF99908ECE09E00BAEE4F,
+				2D2331920900B5EF00613B1F,
 			);
 			isa = PBXHeadersBuildPhase;
 			runOnlyForDeploymentPostprocessing = 0;
@@ -654,6 +655,7 @@
 				2D6CC10708C811A600B8F642,
 				2DE7242F08CE910900C889A8,
 				2D1DF99808ECE09E00BAEE4F,
+				2D2331910900B5EF00613B1F,
 			);
 			isa = PBXSourcesBuildPhase;
 			runOnlyForDeploymentPostprocessing = 0;
@@ -868,6 +870,8 @@
 		};
 		2D20F9E308C603C500A73076 = {
 			children = (
+				2D23318F0900B5EF00613B1F,
+				2D2331900900B5EF00613B1F,
 				2D20F9E408C603EC00A73076,
 				2D20F9E508C603EC00A73076,
 				2D20F9E608C603EC00A73076,
@@ -1354,6 +1358,36 @@
 			settings = {
 			};
 		};
+		2D23318F0900B5EF00613B1F = {
+			fileEncoding = 30;
+			isa = PBXFileReference;
+			lastKnownFileType = sourcecode.cpp.cpp;
+			name = AudioWidget.cxx;
+			path = ../debugger/gui/AudioWidget.cxx;
+			refType = 2;
+			sourceTree = SOURCE_ROOT;
+		};
+		2D2331900900B5EF00613B1F = {
+			fileEncoding = 30;
+			isa = PBXFileReference;
+			lastKnownFileType = sourcecode.cpp.h;
+			name = AudioWidget.hxx;
+			path = ../debugger/gui/AudioWidget.hxx;
+			refType = 2;
+			sourceTree = SOURCE_ROOT;
+		};
+		2D2331910900B5EF00613B1F = {
+			fileRef = 2D23318F0900B5EF00613B1F;
+			isa = PBXBuildFile;
+			settings = {
+			};
+		};
+		2D2331920900B5EF00613B1F = {
+			fileRef = 2D2331900900B5EF00613B1F;
+			isa = PBXBuildFile;
+			settings = {
+			};
+		};
 		2D26484006795BCC0075A98A = {
 			buildActionMask = 2147483647;
 			files = (