diff --git a/src/cache_invalidate.c b/src/cache_invalidate.c
index 891e3e298..731aad68e 100644
--- a/src/cache_invalidate.c
+++ b/src/cache_invalidate.c
@@ -31,7 +31,7 @@
 #define CACHE_INVAL_PROXY_SCHEMA "_timescaledb_cache"
 #define CACHE_INVAL_PROXY_SCHEMA_OID get_namespace_oid(CACHE_INVAL_PROXY_SCHEMA, false)
 
-bool        IobeamLoaded(void);
+bool        extension_is_loaded(void);
 void		_cache_invalidate_init(void);
 void		_cache_invalidate_fini(void);
 void		_cache_invalidate_extload(void);
@@ -53,7 +53,7 @@ static void
 inval_cache_callback(Datum arg, Oid relid)
 {
 	/* TODO: look at IsTransactionState should this be necessary? */
-	if (!IobeamLoaded())
+	if (!extension_is_loaded())
 		return;
 
 	if (relid == InvalidOid || relid == hypertable_cache_inval_proxy_oid)
diff --git a/src/init.c b/src/init.c
index 022248c47..d0145a778 100644
--- a/src/init.c
+++ b/src/init.c
@@ -28,7 +28,7 @@ extern void _xact_fini(void);
 extern void _PG_init(void);
 extern void _PG_fini(void);
 
-extern bool IobeamLoaded(void);
+extern bool extension_is_loaded(void);
 
 void
 _PG_init(void)
@@ -53,12 +53,12 @@ _PG_fini(void)
 	_chunk_cache_fini();
 }
 
-static bool isLoaded = false;
+static bool is_loaded = false;
 
 bool
-IobeamLoaded(void)
+extension_is_loaded(void)
 {
-	if (!isLoaded)
+	if (!is_loaded)
 	{
 		Oid			id;
 
@@ -71,9 +71,9 @@ IobeamLoaded(void)
 
 		if (id != InvalidOid && !(creating_extension && id == CurrentExtensionObject))
 		{
-			isLoaded = true;
+			is_loaded = true;
 			_cache_invalidate_extload();
 		}
 	}
-	return isLoaded;
+	return is_loaded;
 }
diff --git a/src/planner.c b/src/planner.c
index a3ffba3d3..bfd3dc2c1 100644
--- a/src/planner.c
+++ b/src/planner.c
@@ -20,7 +20,7 @@
 void		_planner_init(void);
 void		_planner_fini(void);
 
-bool		IobeamLoaded(void);
+bool		extension_is_loaded(void);
 
 static planner_hook_type prev_planner_hook;
 
@@ -273,7 +273,7 @@ timescaledb_planner(Query *parse, int cursorOptions, ParamListInfo boundParams)
 {
 	PlannedStmt *rv = NULL;
 
-	if (IobeamLoaded())
+	if (extension_is_loaded())
 	{
 		change_table_name_context context;
 		char	   *printParse = GetConfigOptionByName("io.print_parse", NULL, true);
diff --git a/src/process_utility.c b/src/process_utility.c
index 4417b26e0..265161ac9 100644
--- a/src/process_utility.c
+++ b/src/process_utility.c
@@ -6,7 +6,7 @@
 #include "utils.h"
 #include "hypertable_cache.h"
 
-bool		IobeamLoaded(void);
+bool		extension_is_loaded(void);
 void		_process_utility_init(void);
 void		_process_utility_fini(void);
 
@@ -44,7 +44,7 @@ timescaledb_ProcessUtility(Node *parsetree,
 						   DestReceiver *dest,
 						   char *completionTag)
 {
-	if (!IobeamLoaded())
+	if (!extension_is_loaded())
 	{
 		prev_ProcessUtility(parsetree, queryString, context, params, dest, completionTag);
 		return;