diff --git a/Dockerfile b/Dockerfile
index f188694..cc05fe0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,9 @@ RUN useradd sungather
 WORKDIR /usr/src/sungather
 
 COPY requirements.txt ./
-RUN pip install --no-cache-dir --upgrade -r requirements.txt
+# pycryptodomex 3.14 currently fails to compile for arm64
+#RUN pip install --no-cache-dir --upgrade -r requirements.txt
+RUN pip install --no-cache-dir --upgrade pycryptodomex==3.11.0 -r requirements.txt
 
 COPY SunGather/ .
 
diff --git a/SunGather/exports/webserver.py b/SunGather/exports/webserver.py
index f2e7085..2f6b88b 100644
--- a/SunGather/exports/webserver.py
+++ b/SunGather/exports/webserver.py
@@ -43,7 +43,7 @@ class MyServer(BaseHTTPRequestHandler):
         self.send_response(200)
         self.send_header("Content-type", "text/html")
         self.end_headers()
-        self.wfile.write(bytes("<html><head><title>SunGather</title><meta http-equiv='refresh' content='15'></head>", "utf-8"))
+        self.wfile.write(bytes("<html><head><title>SunGather</title><meta charset='UTF-8'><meta http-equiv='refresh' content='15'></head>", "utf-8"))
         self.wfile.write(bytes("<body>", "utf-8"))
         self.wfile.write(bytes(export_webserver.html_body, "utf-8"))
         self.wfile.write(bytes("</table>", "utf-8"))
diff --git a/SunGather/registers.yaml b/SunGather/registers.yaml
index e23e031..9985529 100644
--- a/SunGather/registers.yaml
+++ b/SunGather/registers.yaml
@@ -201,7 +201,7 @@ registers:
       level: 1  
       address: 5004
       datatype: "U32"
-      unit: "KWh"
+      unit: "kWh"
     - name: "total_running_time"  
       level: 1  
       address: 5006