diff --git a/project/xcode/wren.xcodeproj/project.pbxproj b/project/xcode/wren.xcodeproj/project.pbxproj
index c56d735b..6c693bba 100644
--- a/project/xcode/wren.xcodeproj/project.pbxproj
+++ b/project/xcode/wren.xcodeproj/project.pbxproj
@@ -17,6 +17,7 @@
 		29205C9F1AB4E6430073018D /* wren_vm.c in Sources */ = {isa = PBXBuildFile; fileRef = 29205C981AB4E6430073018D /* wren_vm.c */; };
 		29C8A92F1AB71C1C00DEC81D /* io.c in Sources */ = {isa = PBXBuildFile; fileRef = 29C8A92E1AB71C1C00DEC81D /* io.c */; };
 		29C8A9331AB71FFF00DEC81D /* vm.c in Sources */ = {isa = PBXBuildFile; fileRef = 29C8A9311AB71FFF00DEC81D /* vm.c */; };
+		29DE39531AC3A50A00987D41 /* wren_meta.c in Sources */ = {isa = PBXBuildFile; fileRef = 29DE39511AC3A50A00987D41 /* wren_meta.c */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXCopyFilesBuildPhase section */
@@ -54,6 +55,8 @@
 		29C8A9301AB71C3300DEC81D /* io.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = io.h; path = ../../src/cli/io.h; sourceTree = "<group>"; };
 		29C8A9311AB71FFF00DEC81D /* vm.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; name = vm.c; path = ../../src/cli/vm.c; sourceTree = "<group>"; };
 		29C8A9321AB71FFF00DEC81D /* vm.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = vm.h; path = ../../src/cli/vm.h; sourceTree = "<group>"; };
+		29DE39511AC3A50A00987D41 /* wren_meta.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; name = wren_meta.c; path = ../../src/vm/wren_meta.c; sourceTree = "<group>"; };
+		29DE39521AC3A50A00987D41 /* wren_meta.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = wren_meta.h; path = ../../src/vm/wren_meta.h; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -79,6 +82,8 @@
 				29205C941AB4E6430073018D /* wren_debug.c */,
 				29205CA51AB4E65E0073018D /* wren_io.h */,
 				29205C951AB4E6430073018D /* wren_io.c */,
+				29DE39521AC3A50A00987D41 /* wren_meta.h */,
+				29DE39511AC3A50A00987D41 /* wren_meta.c */,
 				29205CA61AB4E65E0073018D /* wren_utils.h */,
 				29205C961AB4E6430073018D /* wren_utils.c */,
 				29205CA71AB4E65E0073018D /* wren_value.h */,
@@ -187,6 +192,7 @@
 				29205C9E1AB4E6430073018D /* wren_value.c in Sources */,
 				29205C9F1AB4E6430073018D /* wren_vm.c in Sources */,
 				29C8A92F1AB71C1C00DEC81D /* io.c in Sources */,
+				29DE39531AC3A50A00987D41 /* wren_meta.c in Sources */,
 				29205C8F1AB4E5C90073018D /* main.c in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
diff --git a/src/vm/wren_meta.c b/src/vm/wren_meta.c
index 4d65553d..c49dea8d 100644
--- a/src/vm/wren_meta.c
+++ b/src/vm/wren_meta.c
@@ -8,8 +8,9 @@ static const char* libSource =
 
 void metaEval(WrenVM* vm)
 {
-    const char* source = wrenGetArgumentString(vm, 1);
-    wrenInterpret(vm, "Meta", source);
+  const char* source = wrenGetArgumentString(vm, 1);
+  // TODO: Type check argument.
+  wrenInterpret(vm, "Meta", source);
 }
 
 void wrenLoadMetaLibrary(WrenVM* vm)