diff --git a/code/__SPLURTCODE/DEFINES/autopunctuation.dm b/code/__SPLURTCODE/DEFINES/autopunctuation.dm
new file mode 100644
index 000000000000..3b08f95d06b2
--- /dev/null
+++ b/code/__SPLURTCODE/DEFINES/autopunctuation.dm
@@ -0,0 +1,2 @@
+GLOBAL_DATUM_INIT(has_eol_punctuation, /regex, regex(@"^(\w|^[^\*].*[^.!?~\-\+\|\_\*]+)$"))
+//Auto punctuation global datum
diff --git a/code/modules/mob/say.dm b/code/modules/mob/say.dm
index 98fd85dbe16c..6a6ca2e6ae1c 100644
--- a/code/modules/mob/say.dm
+++ b/code/modules/mob/say.dm
@@ -25,6 +25,11 @@
 
 	client?.last_activity = world.time
 
+//SPLURT Edit Start: Adds auto punctuation
+	if(findtext(message, GLOB.has_eol_punctuation))
+		message += "."
+//SPLURT Edit End: Adds auto punctuation
+
 	say(message)
 
 /mob/verb/me_typing_indicator()
diff --git a/tgstation.dme b/tgstation.dme
index f44fd0b52733..758f871c346b 100644
--- a/tgstation.dme
+++ b/tgstation.dme
@@ -268,6 +268,7 @@
 #include "code\__SPLURTCODE\DEFINES\access.dm"
 #include "code\__SPLURTCODE\DEFINES\admin.dm"
 #include "code\__SPLURTCODE\DEFINES\atmospherics.dm"
+#include "code\__SPLURTCODE\DEFINES\autopunctuation.dm"
 #include "code\__SPLURTCODE\DEFINES\cit_defines.dm"
 #include "code\__SPLURTCODE\DEFINES\click.dm"
 #include "code\__SPLURTCODE\DEFINES\configuration.dm"