diff --git a/Makefile b/Makefile
index 5858921..c6947f1 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,10 @@
 EXTENSION = omnidb_plpgsql_debugger
 DATA = omnidb_plpgsql_debugger--1.0.0.sql
-MODULES = omnidb_plpgsql_debugger
+OBJS = omnidb_plpgsql_debugger.o
+MODULE_big = omnidb_plpgsql_debugger
 
 PG_CONFIG = pg_config
 PGXS := $(shell $(PG_CONFIG) --pgxs)
 override CPPFLAGS := $(CPPFLAGS) -I$(shell $(PG_CONFIG) --includedir)
-override LDFLAGS := $(LDFLAGS) -lpq
+SHLIB_LINK = -lpq
 include $(PGXS)