diff --git a/src/lib/auditor_api_handle.c b/src/lib/auditor_api_handle.c
index 870eed83d..73ed6b3a3 100644
--- a/src/lib/auditor_api_handle.c
+++ b/src/lib/auditor_api_handle.c
@@ -470,7 +470,7 @@ TALER_AUDITOR_connect (struct GNUNET_CURL_Context *ctx,
   /* Tell auditor we compress bodies */
   GNUNET_break (GNUNET_OK ==
                 GNUNET_CURL_append_header (ctx,
-                                           "Content-encoding: deflate"));
+                                           "Content-Encoding: deflate"));
 #endif
   auditor = GNUNET_new (struct TALER_AUDITOR_Handle);
   auditor->ctx = ctx;
diff --git a/src/lib/exchange_api_handle.c b/src/lib/exchange_api_handle.c
index 0f3cfe0ae..760c12788 100644
--- a/src/lib/exchange_api_handle.c
+++ b/src/lib/exchange_api_handle.c
@@ -1788,7 +1788,7 @@ TALER_EXCHANGE_connect
   /* Tell exchange we compress bodies */
   GNUNET_break (GNUNET_OK ==
 		GNUNET_CURL_append_header (ctx,
-                                   "Content-encoding: deflate"));
+                                   "Content-Encoding: deflate"));
 #endif
   exchange = GNUNET_new (struct TALER_EXCHANGE_Handle);
   exchange->ctx = ctx;