diff --git a/wadsrc/static/mapinfo/doom1.txt b/wadsrc/static/mapinfo/doom1.txt
index 2baba9a5d..f767e1c38 100644
--- a/wadsrc/static/mapinfo/doom1.txt
+++ b/wadsrc/static/mapinfo/doom1.txt
@@ -404,6 +404,7 @@ map E4M1 lookup "HUSTR_E4M1"
 	secretnext = "E4M9"
 	sky1 = "SKY4"
 	cluster = 4
+	par = 165
 	music = "$MUSIC_E3M4"
 }
 
@@ -415,6 +416,7 @@ map E4M2 lookup "HUSTR_E4M2"
 	secretnext = "E4M9"
 	sky1 = "SKY4"
 	cluster = 4
+	par = 255
 	music = "$MUSIC_E3M2"
 }
 
@@ -426,6 +428,7 @@ map E4M3 lookup "HUSTR_E4M3"
 	secretnext = "E4M9"
 	sky1 = "SKY4"
 	cluster = 4
+	par = 135
 	music = "$MUSIC_E3M3"
 }
 
@@ -437,6 +440,7 @@ map E4M4 lookup "HUSTR_E4M4"
 	secretnext = "E4M9"
 	sky1 = "SKY4"
 	cluster = 4
+	par = 150
 	music = "$MUSIC_E1M5"
 }
 
@@ -448,6 +452,7 @@ map E4M5 lookup "HUSTR_E4M5"
 	secretnext = "E4M9"
 	sky1 = "SKY4"
 	cluster = 4
+	par = 180
 	music = "$MUSIC_E2M7"
 }
 
@@ -459,6 +464,7 @@ map E4M6 lookup "HUSTR_E4M6"
 	secretnext = "E4M9"
 	sky1 = "SKY4"
 	cluster = 4
+	par = 390
 	cyberdemonspecial
 	specialaction_opendoor
 	music = "$MUSIC_E2M4"
@@ -472,6 +478,7 @@ map E4M7 lookup "HUSTR_E4M7"
 	secretnext = "E4M9"
 	sky1 = "SKY4"
 	cluster = 4
+	par = 135
 	music = "$MUSIC_E2M6"
 }
 
@@ -483,6 +490,7 @@ map E4M8 lookup "HUSTR_E4M8"
 	secretnext = "E4M9"
 	sky1 = "SKY4"
 	cluster = 4
+	par = 360
 	nointermission
 	nosoundclipping
 	spidermastermindspecial
@@ -498,6 +506,7 @@ map E4M9 lookup "HUSTR_E4M9"
 	secretnext = "E4M3"
 	sky1 = "SKY4"
 	cluster = 4
+	par = 180
 	music = "$MUSIC_E1M9"
 }