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-rw-r--r--src/main/scala/firrtl/passes/Checks.scala2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/scala/firrtl/passes/Checks.scala b/src/main/scala/firrtl/passes/Checks.scala
index 74c532cc..09c818bd 100644
--- a/src/main/scala/firrtl/passes/Checks.scala
+++ b/src/main/scala/firrtl/passes/Checks.scala
@@ -85,7 +85,7 @@ object CheckHighForm extends Pass {
def checkFstring(info: Info, mname: String, s: StringLit, i: Int) {
val validFormats = "bdxc"
- val (percent, npercents) = (s.array foldLeft (false, 0)){
+ val (percent, npercents) = s.string.foldLeft((false, 0)) {
case ((percentx, n), b) if percentx && (validFormats contains b) =>
(false, n + 1)
case ((percentx, n), b) if percentx && b != '%' =>