diff --git a/RavenPowerShell.psm1 b/RavenPowerShell.psm1
index 45e078c..00f5052 100644
--- a/RavenPowerShell.psm1
+++ b/RavenPowerShell.psm1
@@ -60,7 +60,7 @@ Class RavenClient {
 
         $jsonBody = ConvertTo-Json $body -Depth 6
 
-        Invoke-RestMethod -Uri $this.storeUri -Method Post -Body $jsonBody -ContentType 'application/json' -Headers $headers
+        Invoke-RestMethod -Uri $this.storeUri -Method Post -Body $jsonBody -ContentType 'application/json; charset=utf-8' -Headers $headers
     }
 
     [hashtable]ParsePSCallstack([System.Management.Automation.CallStackFrame[]]$callstackFrames, [hashtable[]]$frameVariables) {
@@ -185,4 +185,4 @@ function New-RavenClient {
 }
 
 
-Export-ModuleMember -Function New-RavenClient
\ No newline at end of file
+Export-ModuleMember -Function New-RavenClient