diff --git a/tests/mocking/mock_blocks.nim b/tests/mocking/mock_blocks.nim
index f000923e3..d9fecf0cb 100644
--- a/tests/mocking/mock_blocks.nim
+++ b/tests/mocking/mock_blocks.nim
@@ -36,7 +36,7 @@ proc signMockBlockImpl(
 proc signMockBlock*(state: phase0.BeaconState, signedBlock: var phase0.SignedBeaconBlock) =
   signMockBlockImpl(state, signedBlock)
 
-proc mockBlock(
+proc mockBlock*(
     state: phase0.BeaconState,
     slot: Slot): phase0.SignedBeaconBlock =
   ## TODO don't do this gradual construction, for exception safety