diff --git a/BMA.EHR.Retirement.Service/Services/RetirementReportService.cs b/BMA.EHR.Retirement.Service/Services/RetirementReportService.cs
index b60fad8f..d3253afd 100644
--- a/BMA.EHR.Retirement.Service/Services/RetirementReportService.cs
+++ b/BMA.EHR.Retirement.Service/Services/RetirementReportService.cs
@@ -205,10 +205,15 @@ namespace BMA.EHR.Retirement.Service.Services
 
             // Run LibreOffice inside Docker container
             var dockerCmd = $"docker exec {container} libreoffice {arguments} --outdir {dockerFilesPath} {dockerFilesPath}/{fileName}";
+            
+            var isWindows = RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
+            var shell = isWindows ? "cmd.exe" : "/bin/sh";
+            var shellArg = isWindows ? "/c" : "-c";
+
             var psi = new ProcessStartInfo
             {
-                FileName = "cmd.exe",
-                Arguments = $"/c \"{dockerCmd}\"",
+                FileName = shell,
+                Arguments = $"{shellArg} \"{dockerCmd}\"",
                 UseShellExecute = false,
                 RedirectStandardOutput = true,
                 RedirectStandardError = true,