diff --git a/PictureDialog.cpp b/PictureDialog.cpp
index 4e319d4..ef2ca3f 100755
--- a/PictureDialog.cpp
+++ b/PictureDialog.cpp
@@ -200,7 +200,7 @@ fileDialogPreSave:
                 }
                 QString cmpPicTitl = picTitl;
                 cmpPicTitl.replace(" ", "_");
-                newPictureFileName = yearStr + monthStr + dayStr + timeStr + "-" + cmpPicTitl +  ".jpg";
+                newPictureFileName = yearStr + monthStr + dayStr + timeStr + "_" + cmpPicTitl +  ".jpg";
             }
         }
         fileDialog.selectFile(newPictureFileName);