diff --git a/Sources/CSQLite/include/module.modulemap b/Sources/CSQLite/include/module.modulemap
index d64a094..7d850f2 100644
--- a/Sources/CSQLite/include/module.modulemap
+++ b/Sources/CSQLite/include/module.modulemap
@@ -1,6 +1,12 @@
 module CSQLite {
-	header "sqlite3.h"
-	header "sqlite3ext.h"
-	header "csqlite_shims.h"
-	export *
+	module csqlite {
+		header "sqlite3.h"
+		header "csqlite_shims.h"
+	}
+
+	explicit module ext {
+		textual header "sqlite3ext.h"
+	}
+
+	export csqlite
 }