diff --git a/apps/edr-freight-api/src/modules/reports/report-runner.service.ts b/apps/edr-freight-api/src/modules/reports/report-runner.service.ts
index 5df9ba2e1..09933de42 100644
--- a/apps/edr-freight-api/src/modules/reports/report-runner.service.ts
+++ b/apps/edr-freight-api/src/modules/reports/report-runner.service.ts
@@ -48,6 +48,15 @@ function coerceParams(
   return params;
 }
 
+/**
+ * Sort expression for a column with no explicit `sortExpr`: the SELECT alias
+ * TypeORM emitted for it, quoted. TypeORM always double-quotes `addSelect`
+ * aliases in the generated SQL (preserving case) — ordering by the bare,
+ * unquoted key instead lets Postgres fold it to lowercase and 42703 on any
+ * camelCase alias (e.g. "utilizationPct" -> unquoted "utilizationpct").
+ */
+const aliasSortExpr = (key: string): string => `"${key.replace(/"/g, '""')}"`;
+
 /** Resolve a client-requested sort column against the report's own whitelist. */
 function resolveSort(
   def: ReportDefinition,
@@ -57,14 +66,14 @@ function resolveSort(
   const dir = sortOrder?.toUpperCase() === 'DESC' ? 'DESC' : 'ASC';
   const requested = sortBy && def.columns.find((c) => c.key === sortBy && c.sortable);
   if (requested) {
-    return { key: requested.key, expr: requested.sortExpr ?? requested.key, dir };
+    return { key: requested.key, expr: requested.sortExpr ?? aliasSortExpr(requested.key), dir };
   }
   if (!def.defaultSort) return null;
   const fallback = def.columns.find((c) => c.key === def.defaultSort!.key);
   if (!fallback) return null;
   return {
     key: fallback.key,
-    expr: fallback.sortExpr ?? fallback.key,
+    expr: fallback.sortExpr ?? aliasSortExpr(fallback.key),
     dir: def.defaultSort.dir,
   };
 }