--- server-src/planner.c_ORIG	2005-09-07 11:23:24.000000000 +0200
+++ server-src/planner.c	2005-09-07 11:50:02.000000000 +0200
@@ -2154,16 +2154,20 @@
 	    else if(est(dp)->last_level < 0) {
 		delete = 1;
 		message = "but cannot incremental dump new disk";
 	    }
 	    else if(est(dp)->degr_level < 0) {
 		delete = 1;
 		message = "but no incremental estimate";
 	    }
+	    else if (est(dp)->degr_size > tape->length) {
+		delete = 1;
+		message = "incremental dump also larger than tape";
+	    }
 	    else {
 		delete = 0;
 		message = "full dump delayed";
 	    }
 	}
 	else {
 	    delete = 1;
 	    message = "skipping incremental";