diff --git a/tools/qfcc/source/qc-parse.y b/tools/qfcc/source/qc-parse.y
index 71f234d97..30673923f 100644
--- a/tools/qfcc/source/qc-parse.y
+++ b/tools/qfcc/source/qc-parse.y
@@ -458,8 +458,9 @@ param
 	;
 
 array_decl
-	: '[' const ']'
+	: '[' fexpr ']'
 		{
+			$2 = constant_expr ($2);
 			if ($2->type != ex_integer || $2->e.integer_val < 1) {
 				error (0, "invalid array size");
 				$$ = 0;