diff -r 07b815faa6ac -r f00d03835dd9 src/server/plugins/postgresql/pgtest.c
--- a/src/server/plugins/postgresql/pgtest.c	Tue Dec 30 21:44:49 2025 +0100
+++ b/src/server/plugins/postgresql/pgtest.c	Tue Jan 13 18:09:20 2026 +0100
@@ -151,7 +151,7 @@
                             if(status_str.length < 13) {
                                 return;
                             }
-                            status_str = cx_strsubsl_m(status_str, 9, 3);
+                            status_str = cx_strsubsl(status_str, 9, 3);
                             cxmutstr status_s = cx_strdup(cx_strcast(status_str));
                             status_code = atoi(status_s.ptr);
                             free(status_s.ptr);
@@ -176,7 +176,7 @@
                             property->value = cx_strdup_a(a, cx_str((const char*)value->content)).ptr;
                         }
                         if(property->namespace && property->name) {
-                            cxmutstr pname = cx_strcat(2, cx_str(property->namespace), cx_str(property->name));
+                            cxmutstr pname = cx_strcat(CX_NULLSTR, 2, cx_str(property->namespace), cx_str(property->name));
                             cxMapPut(properties, cx_hash_key(pname.ptr, pname.length), property);
                             free(pname.ptr);
                         }