diff --git a/configure/CONFIG_BASE b/configure/CONFIG_BASE
index dd559536d..514e1a2a7 100644
--- a/configure/CONFIG_BASE
+++ b/configure/CONFIG_BASE
@@ -110,7 +110,7 @@ DBST = dbst
 endif
 
 ifndef MSI
-MSI = msi
+MSI = $(EPICS_BASE_HOST_BIN)/msi
 endif