diff --git a/src/blixemApp/blxdotter.cpp b/src/blixemApp/blxdotter.cpp
index b7a29ad13db422f694f9f9849ce5f816157ce3ed..328b52b8f02fe42bb5cc5f9853f1880e62f42bdc 100644
--- a/src/blixemApp/blxdotter.cpp
+++ b/src/blixemApp/blxdotter.cpp
@@ -1850,7 +1850,7 @@ static GIOChannel* callDotterChildProcess(GtkWidget *blxWindow,
   if (seq1DisplayRev)			    argList = g_slist_append(argList, g_strdup("--reverse-h-display"));
   if (seq2DisplayRev)			    argList = g_slist_append(argList, g_strdup("--reverse-v-display"));
   if (hspsOnly)				    argList = g_slist_append(argList, g_strdup("-H"));
-  if (sleep)				    argList = g_slist_append(argList, g_strdup("--sleep=15"));
+  if (sleep)				    argList = g_slist_append(argList, g_strdup("--sleep=30"));
   if (bc->flags[BLXFLAG_NEGATE_COORDS])	    argList = g_slist_append(argList, g_strdup("-N"));
 
   /* now tell Dotter that we're calling it internally from another SeqTools