diff --git a/libxisf.cpp b/libxisf.cpp
index c41de12..508120d 100644
--- a/libxisf.cpp
+++ b/libxisf.cpp
@@ -966,6 +966,7 @@ void XISFWriter::writeImageElement(const Image &image)
         writeFITSKeyword(fitsKeyword);
 
     writeCFA(image);
+    writeICC(image._iccProfile);
 
     _xml->writeEndElement();
 }
@@ -1083,6 +1084,17 @@ void XISFWriter::writeCFA(const Image &image)
     }
 }
 
+void XISFWriter::writeICC(const QByteArray &icc)
+{
+    if(!icc.isEmpty())
+    {
+        QByteArray base64 = icc.toBase64();
+        _xml->writeStartElement("ICCProfile");
+        _xml->writeAttribute("location", "inline:base64");
+        _xml->writeCharacters(base64);
+    }
+}
+
 #define REGISTER_METATYPE(type) { int id = qMetaTypeId<type>(); \
     typeToId.insert({#type, id}); idToType.insert({id, #type}); }
 
diff --git a/libxisf.h b/libxisf.h
index 06848fc..6c507c9 100644
--- a/libxisf.h
+++ b/libxisf.h
@@ -266,6 +266,7 @@ private:
     void writeFITSKeyword(const FITSKeyword &keyword);
     void writeMetadata();
     void writeCFA(const Image &image);
+    void writeICC(const QByteArray &icc);
     std::unique_ptr<QXmlStreamWriter> _xml;
     QByteArray _xisfHeader;
     QByteArray _attachmentsData;