diff --git a/loadrunable.cpp b/loadrunable.cpp
index d6cccb8..4cdde95 100644
--- a/loadrunable.cpp
+++ b/loadrunable.cpp
@@ -159,7 +159,7 @@ bool loadFITS(QString path, ImageInfoData &info, RawImage **image, QImage *qimag
     {
         int imgtype;
         int naxis;
-        long naxes[3];
+        long naxes[3] = {0};
         fits_get_img_param(file, 3, &imgtype, &naxis, naxes, &status);
 
         if(naxis >= 2 && naxis <= 3 && status == 0)