diff --git a/src/main/java/eu/omp/irap/vespa/epntapclient/granule/GranuleCtrl.java b/src/main/java/eu/omp/irap/vespa/epntapclient/granule/GranuleCtrl.java
index dbc32c1..fdb3837 100644
--- a/src/main/java/eu/omp/irap/vespa/epntapclient/granule/GranuleCtrl.java
+++ b/src/main/java/eu/omp/irap/vespa/epntapclient/granule/GranuleCtrl.java
@@ -97,7 +97,13 @@ public class GranuleCtrl {
 	private Double parseDouble(int rowId, GranuleEnum granule) {
 		Double d = null;
 		try {
-			d = (Double) data.getCell(rowId, granule.toString());
+			Object lObj = data.getCell(rowId, granule.toString());
+			if (lObj instanceof Double) {
+				d = (Double) lObj;
+			}
+			if (lObj instanceof Float) {
+				d = new Double((Float) lObj);
+			}
 		} catch (IllegalArgumentException e) {
 			LOGGER.log(Level.WARNING, String.format(ERROR_MSG, granule, rowId, "double.NaN"), e);
 		}
--
libgit2 0.21.2