diff --git a/src/ITensorMPS.jl b/src/ITensorMPS.jl
index f359d71..cc1dd36 100644
--- a/src/ITensorMPS.jl
+++ b/src/ITensorMPS.jl
@@ -37,6 +37,7 @@ using ITensors.ITensorMPS: sortmergeterms
   ProjMPO,
   ProjMPOSum,
   ProjMPO_MPS,
+  ProjMPS,
   Scaled,
   SiteType,
   Spectrum,