diff --git a/code/modules/error_handler/error_handler.dm b/code/modules/error_handler/error_handler.dm
index 8e209b889cb..60fe226fdef 100644
--- a/code/modules/error_handler/error_handler.dm
+++ b/code/modules/error_handler/error_handler.dm
@@ -129,7 +129,7 @@ GLOBAL_VAR_INIT(total_runtimes_skipped, 0)
 #ifdef UNIT_TESTS
 	if(GLOB.current_test)
 		//good day, sir
-		GLOB.current_test.Fail("[main_line]\n[desclines.Join("\n")]")
+		GLOB.current_test.Fail("[main_line]\n[desclines.Join("\n")]", file = E.file, line = E.line)
 #endif
 
 
diff --git a/code/modules/unit_tests/unit_test.dm b/code/modules/unit_tests/unit_test.dm
index d55673dce03..3a25d85ac72 100644
--- a/code/modules/unit_tests/unit_test.dm
+++ b/code/modules/unit_tests/unit_test.dm
@@ -104,8 +104,14 @@ GLOBAL_VAR(test_log)
 		var/file = fail_reasons[reasonID][2]
 		var/line = fail_reasons[reasonID][3]
 
-		/// Github action annotation.
-		log_world("::error file=[file],line=[line],title=[test_path]::[text]")
+		// Github action annotation.
+		// See https://docs.github.com/en/actions/using-workflows/workflow-commands-for-github-actions
+
+		// Need to escape the text to properly support newlines.
+		var/annotation_text = replacetext(text, "%", "%25")
+		annotation_text = replacetext(annotation_text, "\n", "%0A")
+
+		log_world("::error file=[file],line=[line],title=[test_path]::[annotation_text]")
 
 		// Normal log message
 		log_entry += "\tREASON #[reasonID]: [text] at [file]:[line]"