diff --git a/tools/qfcc/source/expr_process.c b/tools/qfcc/source/expr_process.c
index 2d7965e71..fdd8152ba 100644
--- a/tools/qfcc/source/expr_process.c
+++ b/tools/qfcc/source/expr_process.c
@@ -521,6 +521,18 @@ proc_return (const expr_t *expr, rua_ctx_t *ctx)
 	}
 }
 
+static const expr_t *
+proc_swizzle (const expr_t *expr, rua_ctx_t *ctx)
+{
+	// To get here, a field expression was processed and then passed to an
+	// inline function.
+	// FIXME this is probably a bug in argument setup for inline functions
+	if (!expr->swizzle.type) {
+		internal_error (expr, "unprocessed swizzle");
+	}
+	return expr;
+}
+
 static const expr_t *
 proc_list (const expr_t *expr, rua_ctx_t *ctx)
 {
@@ -721,6 +733,7 @@ expr_process (const expr_t *expr, rua_ctx_t *ctx)
 		[ex_assign] = proc_assign,
 		[ex_branch] = proc_branch,
 		[ex_return] = proc_return,
+		[ex_swizzle] = proc_swizzle,
 		[ex_list] = proc_list,
 		[ex_type] = proc_type,
 		[ex_incop] = proc_incop,