diff --git a/mod.c b/mod.c
index 4268126e3..cd4072e25 100644
--- a/mod.c
+++ b/mod.c
@@ -16,7 +16,9 @@
 #include "fmgr.h"
 
 #include "mod.h"
+#if PG_VERSION_NUM >= 120000
 #include "cstore_tableam.h"
+#endif
 #include "cstore_fdw.h"
 
 PG_MODULE_MAGIC;
@@ -24,7 +26,9 @@ PG_MODULE_MAGIC;
 void
 _PG_init(void)
 {
+#if PG_VERSION_NUM >= 120000
 	cstore_tableam_init();
+#endif
 	cstore_fdw_init();
 }
 
@@ -32,6 +36,8 @@ _PG_init(void)
 void
 _PG_fini(void)
 {
+#if PG_VERSION_NUM >= 120000
 	cstore_tableam_finish();
+#endif
 	cstore_fdw_finish();
 }