diff --git a/src/include/Makefile.am b/src/include/Makefile.am
index a535986cb..b2ae8bcc4 100644
--- a/src/include/Makefile.am
+++ b/src/include/Makefile.am
@@ -16,6 +16,7 @@ talerinclude_HEADERS = \
   taler_exchangedb_lib.h \
   taler_exchangedb_plugin.h \
   taler_extensions.h \
+  taler_extensions_policy.h \
   taler_fakebank_lib.h \
   taler_kyclogic_lib.h \
   taler_kyclogic_plugin.h \