diff --git a/library/network/http_client/libcurl_http_client-safe.ecf b/library/network/http_client/libcurl_http_client-safe.ecf
index aa49ab70..063f3d4d 100644
--- a/library/network/http_client/libcurl_http_client-safe.ecf
+++ b/library/network/http_client/libcurl_http_client-safe.ecf
@@ -17,6 +17,7 @@
 		<library name="net" location="$ISE_LIBRARY\library\net\net-safe.ecf"/>
 		<library name="uri" location="$ISE_LIBRARY\library\text\uri\uri-safe.ecf"/>
 		<cluster name="src" location=".\src\">
+			<cluster name="implementation" location="$|implementation" recursive="true" hidden="true"/>
 			<cluster name="spec_libcurl" location="$|spec\libcurl\" recursive="true"/>
 			<cluster name="default_libcurl" location="$|default\libcurl\"/>
 		</cluster>
diff --git a/library/network/http_client/libcurl_http_client.ecf b/library/network/http_client/libcurl_http_client.ecf
index 7364c2eb..e0a721a7 100644
--- a/library/network/http_client/libcurl_http_client.ecf
+++ b/library/network/http_client/libcurl_http_client.ecf
@@ -17,6 +17,7 @@
 		<library name="net" location="$ISE_LIBRARY\library\net\net.ecf"/>
 		<library name="uri" location="$ISE_LIBRARY\library\text\uri\uri.ecf"/>
 		<cluster name="src" location=".\src\">
+			<cluster name="implementation" location="$|implementation" recursive="true" hidden="true"/>
 			<cluster name="spec_libcurl" location="$|spec\libcurl\" recursive="true"/>
 			<cluster name="default_libcurl" location="$|default\libcurl\"/>
 		</cluster>
diff --git a/library/network/http_client/net_http_client-safe.ecf b/library/network/http_client/net_http_client-safe.ecf
index b410b814..ad9e05b2 100644
--- a/library/network/http_client/net_http_client-safe.ecf
+++ b/library/network/http_client/net_http_client-safe.ecf
@@ -26,6 +26,7 @@
 		</library>
 		<library name="uri" location="$ISE_LIBRARY\library\text\uri\uri-safe.ecf"/>
 		<cluster name="src" location=".\src\">
+			<cluster name="implementation" location="$|implementation" recursive="true" hidden="true"/>
 			<cluster name="spec_net" location="$|spec\net\">
 				<cluster name="net_implementation" location="$|implementation\" hidden="true"/>
 			</cluster>
diff --git a/library/network/http_client/net_http_client.ecf b/library/network/http_client/net_http_client.ecf
index 30a2e5d2..96723902 100644
--- a/library/network/http_client/net_http_client.ecf
+++ b/library/network/http_client/net_http_client.ecf
@@ -26,6 +26,7 @@
 		</library>
 		<library name="uri" location="$ISE_LIBRARY\library\text\uri\uri.ecf"/>
 		<cluster name="src" location=".\src\">
+			<cluster name="implementation" location="$|implementation" recursive="true" hidden="true"/>
 			<cluster name="spec_net" location="$|spec\net\">
 				<cluster name="net_implementation" location="$|implementation\" hidden="true"/>
 			</cluster>