diff --git a/src/common/gamecode/study.c b/src/common/gamecode/study.c
index d1c8093b4..4a9196a77 100644
--- a/src/common/gamecode/study.c
+++ b/src/common/gamecode/study.c
@@ -304,7 +304,7 @@ teach(region * r, unit * u)
 				if (igetkeyword(student->thisorder, student->faction->locale) == K_STUDY) {
 					/* Input ist nun von student->thisorder !! */
 					sk = getskill(student->faction->locale);
-					if (sk != NOSKILL && eff_skill(u, sk, r) >= eff_skill(student, sk, r)+TEACHDIFFERENCE) {
+					if (sk != NOSKILL && eff_skill(u, sk, r)-TEACHDIFFERENCE >= eff_skill(student, sk, r)) {
 						teaching -= teach_unit(u, student, teaching, sk, true, &academy);
 					}
 				}
@@ -402,7 +402,8 @@ teach(region * r, unit * u)
 				msg_error(u, u->thisorder, "teach_nolearn", "student", u2));
 			continue;
 		}
-		if (eff_skill(u2, sk, r) + TEACHDIFFERENCE >= eff_skill(u, sk, r)) {
+		/* u is teacher, u2 is student */
+		if (eff_skill(u2, sk, r) >= eff_skill(u, sk, r)-TEACHDIFFERENCE) {
 			add_message(&u->faction->msgs,
 				msg_error(u, u->thisorder, "teach_asgood", "student", u2));
 			continue;
diff --git a/src/mapper/map_partei.c b/src/mapper/map_partei.c
index 92e3cdb78..faf26046b 100644
--- a/src/mapper/map_partei.c
+++ b/src/mapper/map_partei.c
@@ -351,8 +351,11 @@ NeuePartei(region * r)
 		lang = nf->lang;
 		strcpy(email, nf->email);
 		if (late) {
-			WINDOW *win = openwin(SX - 10, 2, "< Neue Partei einfügen >");
-			late = (int) map_input(win, 2, 1, "Startbonus", -1, 99, 0);
+			WINDOW *win = openwin(SX - 10, 3, "< Neue Partei einfügen >");
+			if(r->age >= 5)
+				late = (int) map_input(win, 2, 1, "Startbonus", -1, 99, r->age/2);
+			else
+				late = (int) map_input(win, 2, 1, "Startbonus", -1, 99, 0);
 			delwin(win);
 		}
 	} else {
diff --git a/src/mapper/mapper.h b/src/mapper/mapper.h
index 178aa673a..6a4afa8a9 100644
--- a/src/mapper/mapper.h
+++ b/src/mapper/mapper.h
@@ -134,7 +134,7 @@ void insert_selection(struct selection ** p_sel, struct selection * prev, char *
 extern void read_newfactions(const char * filename);
 extern void read_orders(const char * filename);
 extern void read_dropouts(const char *filename);
-extern void seed_dropouts();
+extern void seed_dropouts(void);
 
 #define sncat(b, s, size) strncat ((b), s, size - strlen (b))