diff --git a/code/game/objects/items/weapons/grenades/chem_grenade.dm b/code/game/objects/items/weapons/grenades/chem_grenade.dm
index 82b7b74fa71..5d18e4321d8 100644
--- a/code/game/objects/items/weapons/grenades/chem_grenade.dm
+++ b/code/game/objects/items/weapons/grenades/chem_grenade.dm
@@ -295,7 +295,8 @@
 		var/area/A = get_area(T)
 		message_admins("grenade primed by an assembly, attached by [key_name_admin(M)] and last touched by [key_name_admin(last)] ([nadeassembly.a_left.name] and [nadeassembly.a_right.name]) at <A HREF='?_src_=holder;adminplayerobservecoodjump=1;X=[T.x];Y=[T.y];Z=[T.z]'>[A.name] (JMP)</a>. [contained]")
 		log_game("grenade primed by an assembly, attached by [key_name(M)] and last touched by [key_name(last)] ([nadeassembly.a_left.name] and [nadeassembly.a_right.name]) at [A.name] ([T.x], [T.y], [T.z]) [contained]")
-
+		investigate_log("grenade primed by an assembly, attached by [key_name_admin(M)] and last touched by [key_name_admin(last)] ([nadeassembly.a_left.name] and [nadeassembly.a_right.name]) at <a href='?_src_=holder;adminplayerobservecoodjump=1;X=[T.x];Y=[T.y];Z=[T.z]'>[A.name] (JMP)</a>.", INVESTIGATE_BOMB)
+		add_attack_logs(last, src, "has armed for detonation", ATKLOG_FEW)
 	update_mob()
 
 	qdel(src)
@@ -425,6 +426,8 @@
 		var/area/A = get_area(T)
 		message_admins("grenade primed by an assembly, attached by [key_name_admin(M)] and last touched by [key_name_admin(last)] ([nadeassembly.a_left.name] and [nadeassembly.a_right.name]) at <A HREF='?_src_=holder;adminplayerobservecoodjump=1;X=[T.x];Y=[T.y];Z=[T.z]'>[A.name] (JMP)</a>.")
 		log_game("grenade primed by an assembly, attached by [key_name(M)] and last touched by [key_name(last)] ([nadeassembly.a_left.name] and [nadeassembly.a_right.name]) at [A.name] ([T.x], [T.y], [T.z])")
+		investigate_log("grenade primed by an assembly, attached by [key_name_admin(M)] and last touched by [key_name_admin(last)] ([nadeassembly.a_left.name] and [nadeassembly.a_right.name]) at <a href='?_src_=holder;adminplayerobservecoodjump=1;X=[T.x];Y=[T.y];Z=[T.z]'>[A.name] (JMP)</a>.", INVESTIGATE_BOMB)
+		add_attack_logs(last, src, "has armed for detonation", ATKLOG_FEW)
 	else
 		addtimer(CALLBACK(src, PROC_REF(prime)), det_time)
 	var/turf/DT = get_turf(src)