diff --git a/loadrunable.cpp b/loadrunable.cpp
index 728db2c..bead155 100644
--- a/loadrunable.cpp
+++ b/loadrunable.cpp
@@ -165,11 +165,12 @@ void writeFITSImage(fitsfile *fw, std::shared_ptr<RawImage> rawimage, ImageInfoD
         double vald = record.value.toDouble(&isdouble);
         int valb = record.value.toString() == "T";
         long long vall = record.value.toLongLong(&isint);
+        if(isint)isint = vall == vald;
         QByteArray str = record.value.toString().toLatin1();
-        if(isdouble)
-            fits_write_key(fw, TDOUBLE, record.key.data(), &vald, record.comment.isEmpty() ? nullptr : record.comment.data(), &status);
-        else if(isint)
+        if(isint)
             fits_write_key(fw, TLONGLONG, record.key.data(), &vall, record.comment.isEmpty() ? nullptr : record.comment.data(), &status);
+        else if(isdouble)
+            fits_write_key(fw, TDOUBLE, record.key.data(), &vald, record.comment.isEmpty() ? nullptr : record.comment.data(), &status);
         else if(isbool)
             fits_write_key(fw, TLOGICAL, record.key.data(), &valb, record.comment.isEmpty() ? nullptr : record.comment.data(), &status);
         else if(record.key == "COMMENT")