diff --git a/code/game/gamemodes/dynamic/dynamic.dm b/code/game/gamemodes/dynamic/dynamic.dm
index 2ab9e514e9..a102994328 100644
--- a/code/game/gamemodes/dynamic/dynamic.dm
+++ b/code/game/gamemodes/dynamic/dynamic.dm
@@ -357,12 +357,17 @@ GLOBAL_VAR_INIT(dynamic_forced_threat_level, -1)
 		shown_threat = clamp(threat_level + rand(REPORT_NEG_DIVERGENCE, REPORT_POS_DIVERGENCE), 0, 100)
 
 /datum/game_mode/dynamic/proc/set_cooldowns()
-	var/coeff = GLOB.dynamic_extended ? 4 : 1
+	var/coeff = GLOB.dynamic_extended ? 2 : 1
+	latejoin_delay_min *= coeff
+	latejoin_delay_max *= coeff
 	var/latejoin_injection_cooldown_middle = 0.5*(latejoin_delay_max + latejoin_delay_min)
-	latejoin_injection_cooldown = round(clamp(EXP_DISTRIBUTION(latejoin_injection_cooldown_middle), latejoin_delay_min, latejoin_delay_max)) * coeff + world.time
+	latejoin_injection_cooldown = round(clamp(EXP_DISTRIBUTION(latejoin_injection_cooldown_middle), latejoin_delay_min, latejoin_delay_max)) + world.time
+
+	midround_delay_min *= coeff
+	midround_delay_max *= coeff
 
 	var/midround_injection_cooldown_middle = 0.5*(midround_delay_max + midround_delay_min)
-	midround_injection_cooldown = round(clamp(EXP_DISTRIBUTION(midround_injection_cooldown_middle), midround_delay_min, midround_delay_max)) * coeff + world.time
+	midround_injection_cooldown = round(clamp(EXP_DISTRIBUTION(midround_injection_cooldown_middle), midround_delay_min, midround_delay_max)) + world.time
 
 /datum/game_mode/dynamic/pre_setup()
 	if(CONFIG_GET(flag/dynamic_config_enabled))