diff --git a/apps/api/src/routes/v1/rest/grades/{id}/lib.ts b/apps/api/src/routes/v1/rest/grades/{id}/lib.ts
index 9bb4a096..779ba5b0 100644
--- a/apps/api/src/routes/v1/rest/grades/{id}/lib.ts
+++ b/apps/api/src/routes/v1/rest/grades/{id}/lib.ts
@@ -145,7 +145,7 @@ export function constructPrismaQuery(parsedQuery: Query): Prisma.GradesSectionWh
     year,
     quarter,
     instructors: { some: { name: { contains: instructor, mode: "insensitive" } } },
-    department: department?.toUpperCase(),
+    department: department?.replace(/ /g, "").toUpperCase(),
     courseNumber: courseNumber?.toUpperCase(),
     courseNumeric,
     sectionCode,