diff --git a/code/modules/mob/living/carbon/slime/items.dm b/code/modules/mob/living/carbon/slime/items.dm
index c8309a9f80b..1b33438b91b 100644
--- a/code/modules/mob/living/carbon/slime/items.dm
+++ b/code/modules/mob/living/carbon/slime/items.dm
@@ -134,6 +134,9 @@
 	filling.color = COLOR_PINK
 	add_overlay(filling)
 
+	initialized = TRUE
+	return INITIALIZE_HINT_NORMAL
+
 /obj/item/docility_serum/attack(mob/living/carbon/slime/M as mob, mob/user as mob)
 	if(!istype(M, /mob/living/carbon/slime/))//If target is not a slime.
 		to_chat(user, SPAN_WARNING("The docility serum only works on slimes!"))
@@ -144,7 +147,7 @@
 	if(M.mind)
 		to_chat(user, SPAN_WARNING("The slime is too intelligent to be pacified!"))
 		return ..()
-	if(M.is_adult)	
+	if(M.is_adult)
 		to_chat(user, SPAN_WARNING("The serum isn't advanced enough to affect adult slimes."))
 		return ..()
 
@@ -174,6 +177,9 @@
 	filling.color = COLOR_PALE_PINK
 	add_overlay(filling)
 
+	initialized = TRUE
+	return INITIALIZE_HINT_NORMAL
+
 /obj/item/advanced_docility_serum/attack(mob/living/carbon/slime/M as mob, mob/user as mob)
 	if(!istype(M, /mob/living/carbon/slime/))//If target is not a slime.
 		to_chat(user, SPAN_WARNING("The docility serum only works on slimes!"))
@@ -184,7 +190,7 @@
 	if(M.mind)
 		to_chat(user, SPAN_WARNING("The slime is too intelligent to be pacified!"))
 		return ..()
-	if(!M.is_adult)	
+	if(!M.is_adult)
 		to_chat(user, SPAN_WARNING("The serum is too advanced to affect baby slimes."))
 		return ..()
 
@@ -214,6 +220,9 @@
 	filling.color = COLOR_GREEN
 	add_overlay(filling)
 
+	initialized = TRUE
+	return INITIALIZE_HINT_NORMAL
+
 /obj/item/slimesteroid/attack(mob/living/carbon/slime/M as mob, mob/user as mob)
 	if(!istype(M, /mob/living/carbon/slime)) //If target is not a slime.
 		to_chat(user, SPAN_WARNING("The steroid only works on baby slimes!"))
@@ -243,6 +252,9 @@
 	filling.color = COLOR_BLUE
 	add_overlay(filling)
 
+	initialized = TRUE
+	return INITIALIZE_HINT_NORMAL
+
 /obj/effect/golemrune
 	anchored = TRUE
 	desc = "A strange rune used to create golems. It glows when spirits are nearby."
diff --git a/html/changelogs/fluffyghost-fixslimeitemsinitialize.yml b/html/changelogs/fluffyghost-fixslimeitemsinitialize.yml
new file mode 100644
index 00000000000..f3565c5a98a
--- /dev/null
+++ b/html/changelogs/fluffyghost-fixslimeitemsinitialize.yml
@@ -0,0 +1,41 @@
+################################
+# Example Changelog File
+#
+# Note: This file, and files beginning with ".", and files that don't end in ".yml" will not be read. If you change this file, you will look really dumb.
+#
+# Your changelog will be merged with a master changelog. (New stuff added only, and only on the date entry for the day it was merged.)
+# When it is, any changes listed below will disappear.
+#
+# Valid Prefixes:
+#   bugfix
+#   wip (For works in progress)
+#   tweak
+#   soundadd
+#   sounddel
+#   rscadd (general adding of nice things)
+#   rscdel (general deleting of nice things)
+#   imageadd
+#   imagedel
+#   maptweak
+#   spellcheck (typo fixes)
+#   experiment
+#   balance
+#   admin
+#   backend
+#   security
+#   refactor
+#################################
+
+# Your name.
+author: Fluffyghost
+
+# Optional: Remove this file after generating master changelog.  Useful for PR changelogs that won't get used again.
+delete-after: True
+
+# Any changes you've made.  See valid prefix list above.
+# INDENT WITH TWO SPACES.  NOT TABS.  SPACES.
+# SCREW THIS UP AND IT WON'T WORK.
+# Also, all entries are changed into a single [] after a master changelog generation. Just remove the brackets when you add new entries.
+# Please surround your changes in  double quotes ("), as certain characters otherwise screws up compiling. The quotes will not show up in the changelog.
+changes:
+  - rscadd: "Fix some slime items initialize() not returning an hint to SSAtoms and not setting the initialize variable."