diff --git a/src/Tgstation.Server.Host/Components/Chat/Providers/IrcProvider.cs b/src/Tgstation.Server.Host/Components/Chat/Providers/IrcProvider.cs
index f8f6197396..fa7555c7de 100644
--- a/src/Tgstation.Server.Host/Components/Chat/Providers/IrcProvider.cs
+++ b/src/Tgstation.Server.Host/Components/Chat/Providers/IrcProvider.cs
@@ -258,9 +258,9 @@ namespace Tgstation.Server.Host.Components.Chat.Providers
 						var recievedPlus = false;
 						client.OnReadLine += (sender, e) =>
 						{
-							if (e.Line.Contains("ACK :sasl"))
+							if (e.Line.Contains("ACK :sasl", StringComparison.Ordinal))
 								recievedAck = true;
-							else if (e.Line.Contains("AUTHENTICATE +"))
+							else if (e.Line.Contains("AUTHENTICATE +", StringComparison.Ordinal))
 								recievedPlus = true;
 						};
 
diff --git a/src/Tgstation.Server.Host/Components/Compiler/DreamMaker.cs b/src/Tgstation.Server.Host/Components/Compiler/DreamMaker.cs
index 56836577f6..15c46067f8 100644
--- a/src/Tgstation.Server.Host/Components/Compiler/DreamMaker.cs
+++ b/src/Tgstation.Server.Host/Components/Compiler/DreamMaker.cs
@@ -226,12 +226,12 @@ namespace Tgstation.Server.Host.Components.Compiler
 			for (var I = 0; I < dmeLines.Count; ++I)
 			{
 				var line = dmeLines[I];
-				if (line.Contains("BEGIN_INCLUDE") && dmeModifications.HeadIncludeLine != null)
+				if (line.Contains("BEGIN_INCLUDE", StringComparison.Ordinal) && dmeModifications.HeadIncludeLine != null)
 				{
 					dmeLines.Insert(I + 1, dmeModifications.HeadIncludeLine);
 					++I;
 				}
-				else if (line.Contains("END_INCLUDE") && dmeModifications.TailIncludeLine != null)
+				else if (line.Contains("END_INCLUDE", StringComparison.Ordinal) && dmeModifications.TailIncludeLine != null)
 				{
 					dmeLines.Insert(I, dmeModifications.TailIncludeLine);
 					break;
diff --git a/src/Tgstation.Server.Host/Components/Repository/Repository.cs b/src/Tgstation.Server.Host/Components/Repository/Repository.cs
index e8f54cc2a2..afa1e36c5c 100644
--- a/src/Tgstation.Server.Host/Components/Repository/Repository.cs
+++ b/src/Tgstation.Server.Host/Components/Repository/Repository.cs
@@ -97,7 +97,7 @@ namespace Tgstation.Server.Host.Components.Repository
 			this.ioMananger = ioMananger ?? throw new ArgumentNullException(nameof(ioMananger));
 			this.eventConsumer = eventConsumer ?? throw new ArgumentNullException(nameof(eventConsumer));
 			this.onDispose = onDispose ?? throw new ArgumentNullException(nameof(onDispose));
-			IsGitHubRepository = Origin.ToUpperInvariant().Contains(GitHubUrl.ToUpperInvariant());
+			IsGitHubRepository = Origin.Contains(GitHubUrl, StringComparison.InvariantCultureIgnoreCase);
 			if (IsGitHubRepository)
 			{
 				GetRepositoryOwnerName(Origin, out var owner, out var name);
diff --git a/src/Tgstation.Server.Host/Controllers/RepositoryController.cs b/src/Tgstation.Server.Host/Controllers/RepositoryController.cs
index 4a2cbd5801..20f87f6cd1 100644
--- a/src/Tgstation.Server.Host/Controllers/RepositoryController.cs
+++ b/src/Tgstation.Server.Host/Controllers/RepositoryController.cs
@@ -146,7 +146,7 @@ namespace Tgstation.Server.Host.Controllers
 			var uiOrigin = model.Origin.ToUpperInvariant();
 			var uiBad = BadGitHubUrl.ToUpperInvariant();
 			var uiGitHub = Components.Repository.Repository.GitHubUrl.ToUpperInvariant();
-			if (uiOrigin.Contains(uiBad))
+			if (uiOrigin.Contains(uiBad, StringComparison.Ordinal))
 				model.Origin = uiOrigin.Replace(uiBad, uiGitHub, StringComparison.Ordinal);
 
 			currentModel.AccessToken = model.AccessToken;