diff --git a/src/server/entry.qc b/src/server/entry.qc
index 4b1c9201..3f50be70 100644
--- a/src/server/entry.qc
+++ b/src/server/entry.qc
@@ -436,6 +436,7 @@ initents(void)
 	 * let's add our own that we can actually trust. */
 	serverinfo.SetInteger("sv_playerslots", cvars.GetInteger("sv_playerslots"));
 
+	RuleC_Precache();
 	MapC_CallMainFunction();
 	Plugin_InitEnts();
 	Mapcycle_Init();
diff --git a/src/server/scripts.qc b/src/server/scripts.qc
index dae61e25..3d0f3113 100644
--- a/src/server/scripts.qc
+++ b/src/server/scripts.qc
@@ -84,13 +84,27 @@ RuleC_Init(void)
 
 		if (mainFunction) {
 			externset(g_ruleCProgs, world, "self");
-			thread(mainFunction())
+			mainFunction();
 		} else {
 			error(sprintf("RuleC %S does not have a main function.", pathToProgs));
 		}
 	}	
 }
 
+void
+RuleC_Precache(void)
+{
+	void(void) mainFunction;
+	mainFunction = externvalue(g_ruleCProgs, "CodeCallback_Precache");
+
+	if (mainFunction) {
+		externset(g_ruleCProgs, world, "self");
+		mainFunction();
+	} else {
+		NSError("%s does not have a Precache function.", mapname);
+	}
+}
+
 void
 MapC_CallMainFunction(void)
 {