diff --git a/code/modules/organs/internal/species/machine/access_port.dm b/code/modules/organs/internal/species/machine/access_port.dm
index 62001dfa307..303da885afe 100644
--- a/code/modules/organs/internal/species/machine/access_port.dm
+++ b/code/modules/organs/internal/species/machine/access_port.dm
@@ -77,11 +77,13 @@
 	SIGNAL_HANDLER
 	if(internal_port)
 		crash_with("Insert_item with [jack] on access port called with [internal_port] of [owner] already present!")
+		return FALSE
 
 	internal_port = jack
 	jack.forceMove(src)
 	RegisterSignal(internal_port, COMSIG_QDELETING, PROC_REF(clear_port))
 	to_chat(owner, SPAN_MACHINE_WARNING("Internal firewall notice: [internal_port] inserted into [src]."))
+	return TRUE
 
 /**
  * This proc is called whenever the access cable is, for some reason, qdeleted (like with an explosion).
@@ -111,9 +113,16 @@
 
 /obj/item/organ/internal/machine/access_port/insert_cable(obj/item/access_cable/cable, mob/user)
 	. = ..()
-	insert_item(cable)
+	if (!insert_item(cable))
+		return
+
 	cable.create_cable(owner)
 
+/obj/item/organ/internal/machine/access_port/remove_cable(obj/item/access_cable/cable)
+	. = ..()
+	if(internal_port == cable)
+		clear_port()
+
 /obj/item/organ/internal/machine/access_port/cable_interact(obj/item/access_cable/cable, mob/user)
 	var/obj/item/organ/internal/machine/internal_diagnostics/diagnostics_unit = owner.internal_organs_by_name[BP_DIAGNOSTICS_SUITE]
 	if(!diagnostics_unit)
@@ -277,6 +286,15 @@
 			user.visible_message(SPAN_WARNING("[user] tries to jack \the [src] into [human]'s access port..."))
 			if(!do_mob(user, human, 2 SECONDS))
 				return
+			// Re-check after the delay: port state may have changed during consent/wait window
+			var/obj/item/organ/internal/machine/access_port/fresh_port = human.internal_organs_by_name[BP_ACCESS_PORT]
+			if(!fresh_port)
+				to_chat(user, SPAN_WARNING("[human] no longer has an access port!"))
+				return
+			if(fresh_port.internal_port)
+				to_chat(user, SPAN_WARNING("The access port is now occupied by [fresh_port.internal_port]!"))
+				return
+			access_port = fresh_port
 			user.visible_message(SPAN_WARNING("[user] jacks \the [src] into [human]'s access port!"))
 
 		else
diff --git a/html/changelogs/hellfirejag-ipc-cable-fixes.yml b/html/changelogs/hellfirejag-ipc-cable-fixes.yml
new file mode 100644
index 00000000000..4b87bbc629d
--- /dev/null
+++ b/html/changelogs/hellfirejag-ipc-cable-fixes.yml
@@ -0,0 +1,4 @@
+author: Hellfirejag
+delete-after: True
+changes:
+  - bugfix: "Fixed some situations where an IPC datacable can get 'stuck'."