diff --git a/pkgs/servers/sql/postgresql/ext/omnigres.nix b/pkgs/servers/sql/postgresql/ext/omnigres.nix
index 5564d58afe0e..082705f23b6c 100644
--- a/pkgs/servers/sql/postgresql/ext/omnigres.nix
+++ b/pkgs/servers/sql/postgresql/ext/omnigres.nix
@@ -1,6 +1,6 @@
 {
   brotli,
-  clang_18,
+  clang,
   cmake,
   fetchFromGitHub,
   flex,
@@ -58,7 +58,7 @@ postgresqlBuildExtension (finalAttrs: {
   strictDeps = true;
 
   nativeBuildInputs = [
-    clang_18
+    clang
     cmake
     flex
     netcat