diff --git a/src/exchange/taler-exchange-httpd_purses_merge.c b/src/exchange/taler-exchange-httpd_purses_merge.c
index 84c7402cd..8751e3f15 100644
--- a/src/exchange/taler-exchange-httpd_purses_merge.c
+++ b/src/exchange/taler-exchange-httpd_purses_merge.c
@@ -480,7 +480,7 @@ TEH_handler_purses_merge (
                       "payto://taler-reserve/",
                       strlen ("payto://taler-reserve/"))) &&
        (0 != strncmp (pcc.payto_uri,
-                      "payto://taler-reserve+http/",
+                      "payto://taler-reserve-http/",
                       strlen ("payto://taler-reserve+http/"))) )
   {
     GNUNET_break_op (0);
@@ -491,12 +491,12 @@ TEH_handler_purses_merge (
       "payto_uri");
   }
   http = (0 == strncmp (pcc.payto_uri,
-                        "payto://taler-reserve+http/",
-                        strlen ("payto://taler-reserve+http/")));
+                        "payto://taler-reserve-http/",
+                        strlen ("payto://taler-reserve-http/")));
 
   {
     const char *host = &pcc.payto_uri[http
-                                      ? strlen ("payto://taler-reserve+http/")
+                                      ? strlen ("payto://taler-reserve-http/")
                                       : strlen ("payto://taler-reserve/")];
     const char *slash = strchr (host,
                                 '/');
diff --git a/src/util/payto.c b/src/util/payto.c
index 363545c96..81664b1df 100644
--- a/src/util/payto.c
+++ b/src/util/payto.c
@@ -310,7 +310,7 @@ TALER_reserve_make_payto (const char *exchange_url,
   /* exchange_url includes trailing '/' */
   GNUNET_asprintf (&reserve_url,
                    "payto://%s/%s%s",
-                   is_http ? "taler-reserve+http" : "taler-reserve",
+                   is_http ? "taler-reserve-http" : "taler-reserve",
                    exchange_url,
                    pub_str);
   return reserve_url;