diff --git a/src/testing/Makefile.am b/src/testing/Makefile.am
index 9e6a5244f..39cc6cbed 100644
--- a/src/testing/Makefile.am
+++ b/src/testing/Makefile.am
@@ -267,6 +267,7 @@ test_exchange_api_rsa_LDADD = \
   -lgnunetcurl \
   -lgnunetutil \
   -ljansson \
+  -ltalerextensions \
   $(XLIB)
 
 test_exchange_api_keys_cherry_picking_cs_SOURCES = \