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-rw-r--r--compiler/utils/GraphBase.hs2
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/utils/GraphBase.hs b/compiler/utils/GraphBase.hs
index c3850dfdd6..b66599356e 100644
--- a/compiler/utils/GraphBase.hs
+++ b/compiler/utils/GraphBase.hs
@@ -12,6 +12,8 @@ module GraphBase (
where
+import GhcPrelude
+
import UniqSet
import UniqFM