diff --git a/BeefLibs/corlib/src/Range.bf b/BeefLibs/corlib/src/Range.bf
index 1023a33a..dae1f2a1 100644
--- a/BeefLibs/corlib/src/Range.bf
+++ b/BeefLibs/corlib/src/Range.bf
@@ -217,9 +217,9 @@ namespace System
 
 	struct IndexRange : RangeExpression
 	{
-		public Index mStart;
-		public Index mEnd;
-		public bool mIsClosed;
+		protected Index mStart;
+		protected Index mEnd;
+		protected bool mIsClosed;
 
 		public this()
 		{
diff --git a/BeefLibs/corlib/src/Span.bf b/BeefLibs/corlib/src/Span.bf
index 88e70617..af5f8cce 100644
--- a/BeefLibs/corlib/src/Span.bf
+++ b/BeefLibs/corlib/src/Span.bf
@@ -177,7 +177,7 @@ namespace System
 			get
 			{
 				T* start;
-				switch (range.mStart)
+				switch (range.[Friend]mStart)
 				{
 				case .FromFront(let offset):
 					Debug.Assert((uint)offset <= (uint)mLength);
@@ -187,9 +187,9 @@ namespace System
 					start = mPtr + mLength - 1 - offset;
 				}
 				T* end;
-				if (range.mIsClosed)
+				if (range.[Friend]mIsClosed)
 				{
-					switch (range.mEnd)
+					switch (range.[Friend]mEnd)
 					{
 					case .FromFront(let offset):
 						Debug.Assert((uint)offset < (uint)mLength);
@@ -201,7 +201,7 @@ namespace System
 				}
 				else
 				{
-					switch (range.mEnd)
+					switch (range.[Friend]mEnd)
 					{
 					case .FromFront(let offset):
 						Debug.Assert((uint)offset <= (uint)mLength);
diff --git a/BeefLibs/corlib/src/String.bf b/BeefLibs/corlib/src/String.bf
index b05c89c4..44b6bff6 100644
--- a/BeefLibs/corlib/src/String.bf
+++ b/BeefLibs/corlib/src/String.bf
@@ -3021,7 +3021,7 @@ namespace System
 			get
 			{
 				char8* start;
-				switch (range.mStart)
+				switch (range.[Friend]mStart)
 				{
 				case .FromFront(let offset):
 					Debug.Assert((uint)offset <= (uint)mLength);
@@ -3031,9 +3031,9 @@ namespace System
 					start = mPtr + mLength - 1 - offset;
 				}
 				char8* end;
-				if (range.mIsClosed)
+				if (range.[Friend]mIsClosed)
 				{
-					switch (range.mEnd)
+					switch (range.[Friend]mEnd)
 					{
 					case .FromFront(let offset):
 						Debug.Assert((uint)offset < (uint)mLength);
@@ -3045,7 +3045,7 @@ namespace System
 				}
 				else
 				{
-					switch (range.mEnd)
+					switch (range.[Friend]mEnd)
 					{
 					case .FromFront(let offset):
 						Debug.Assert((uint)offset <= (uint)mLength);