diff --git a/NAPS2.Lib/Remoting/ProcessCoordinator.cs b/NAPS2.Lib/Remoting/ProcessCoordinator.cs
index 1d42cd092..4c1416194 100644
--- a/NAPS2.Lib/Remoting/ProcessCoordinator.cs
+++ b/NAPS2.Lib/Remoting/ProcessCoordinator.cs
@@ -1,4 +1,5 @@
-using System.Text;
+using System.Globalization;
+using System.Text;
 using GrpcDotNetNamedPipes;
 using static NAPS2.Remoting.ProcessCoordinatorService;
 
@@ -90,7 +91,7 @@ public class ProcessCoordinator(string basePath, string pipeNameFormat)
             using var procFile = new FileStream(ProcFilePath, FileMode.Create, FileAccess.ReadWrite, FileShare.Read);
             procFile.SetLength(0);
             using var writer = new StreamWriter(procFile, Encoding.UTF8, 1024);
-            writer.WriteLine(Process.GetCurrentProcess().Id);
+            writer.WriteLine(Process.GetCurrentProcess().Id.ToString(CultureInfo.InvariantCulture));
         }
         catch (Exception)
         {
@@ -104,7 +105,7 @@ public class ProcessCoordinator(string basePath, string pipeNameFormat)
         try
         {
             using var reader = new FileStream(ProcFilePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
-            var id = int.Parse(new StreamReader(reader).ReadLine()?.Trim() ?? "");
+            var id = int.Parse(new StreamReader(reader).ReadLine()?.Trim() ?? "", CultureInfo.InvariantCulture);
             return Process.GetProcessById(id);
         }
         catch (Exception)
diff --git a/NAPS2.Sdk/Ocr/TesseractOcrEngine.cs b/NAPS2.Sdk/Ocr/TesseractOcrEngine.cs
index 5fa1cb0df..0849f44d3 100644
--- a/NAPS2.Sdk/Ocr/TesseractOcrEngine.cs
+++ b/NAPS2.Sdk/Ocr/TesseractOcrEngine.cs
@@ -1,4 +1,5 @@
 using System.Collections.Immutable;
+using System.Globalization;
 using System.Threading;
 using System.Xml;
 using Microsoft.Extensions.Logging;
@@ -276,8 +277,10 @@ public class TesseractOcrEngine : IOcrEngine
         var bounds = (0, 0, 0, 0);
         if (ParseData(element, "bbox", 4, out string[] parts))
         {
-            int x1 = int.Parse(parts[1]), y1 = int.Parse(parts[2]);
-            int x2 = int.Parse(parts[3]), y2 = int.Parse(parts[4]);
+            int x1 = int.Parse(parts[1], CultureInfo.InvariantCulture),
+                y1 = int.Parse(parts[2], CultureInfo.InvariantCulture);
+            int x2 = int.Parse(parts[3], CultureInfo.InvariantCulture),
+                y2 = int.Parse(parts[4], CultureInfo.InvariantCulture);
             bounds = (x1, y1, x2 - x1, y2 - y1);
         }
         return bounds;
@@ -288,7 +291,7 @@ public class TesseractOcrEngine : IOcrEngine
         int fontSize = 0;
         if (ParseData(element, "x_fsize", 1, out string[] parts))
         {
-            fontSize = int.Parse(parts[1]);
+            fontSize = int.Parse(parts[1], CultureInfo.InvariantCulture);
         }
         return fontSize;
     }
@@ -299,8 +302,8 @@ public class TesseractOcrEngine : IOcrEngine
         float b = 0;
         if (ParseData(element, "baseline", 2, out string[] parts))
         {
-            m = float.Parse(parts[1]);
-            b = float.Parse(parts[2]);
+            m = float.Parse(parts[1], CultureInfo.InvariantCulture);
+            b = float.Parse(parts[2], CultureInfo.InvariantCulture);
         }
         return (m, b);
     }
@@ -310,7 +313,7 @@ public class TesseractOcrEngine : IOcrEngine
         float angle = 0;
         if (ParseData(element, "textangle", 1, out string[] parts))
         {
-            angle = float.Parse(parts[1]);
+            angle = float.Parse(parts[1], CultureInfo.InvariantCulture);
         }
         return angle;
     }