diff --git a/contrib/ise_library/cURL.ecf b/contrib/ise_library/cURL.ecf
index d3047bd8..75581451 100644
--- a/contrib/ise_library/cURL.ecf
+++ b/contrib/ise_library/cURL.ecf
@@ -13,43 +13,43 @@
 		<option warning="true" namespace="EiffelSoftware.Library">
 		</option>
 		<setting name="dotnet_naming_convention" value="true"/>
-		<external_include location="$(ECF_CONFIG_PATH}\cURL\spec\include">
+		<external_include location="$(ECF_CONFIG_PATH)\cURL\spec\include">
 			<condition>
 				<platform value="windows"/>
 			</condition>
 		</external_include>
-		<external_include location="$(ECF_CONFIG_PATH}/cURL/spec/include">
+		<external_include location="$(ECF_CONFIG_PATH)/cURL/spec/include">
 			<condition>
 				<platform excluded_value="windows"/>
 			</condition>
 		</external_include>
-		<external_object location="$(ECF_CONFIG_PATH}/cURL/spec/$(ISE_PLATFORM)/lib/eiffel_curl.o">
+		<external_object location="$(ECF_CONFIG_PATH)/cURL/spec/$(ISE_PLATFORM)/lib/eiffel_curl.o">
 			<condition>
 				<platform excluded_value="windows"/>
 				<multithreaded value="false"/>
 			</condition>
 		</external_object>
-		<external_object location="$(ECF_CONFIG_PATH}/cURL/spec/$(ISE_PLATFORM)/lib/MTeiffel_curl.o">
+		<external_object location="$(ECF_CONFIG_PATH)/cURL/spec/$(ISE_PLATFORM)/lib/MTeiffel_curl.o">
 			<condition>
 				<platform excluded_value="windows"/>
 				<multithreaded value="true"/>
 			</condition>
 		</external_object>
-		<external_object location="$(ECF_CONFIG_PATH}\cURL\spec\$(ISE_C_COMPILER)\$(ISE_PLATFORM)\lib\eiffel_curl.lib">
+		<external_object location="$(ECF_CONFIG_PATH)\cURL\spec\$(ISE_C_COMPILER)\$(ISE_PLATFORM)\lib\eiffel_curl.lib">
 			<condition>
 				<platform value="windows"/>
 				<multithreaded value="false"/>
 				<dotnet value="false"/>
 			</condition>
 		</external_object>
-		<external_object location="$(ECF_CONFIG_PATH}\cURL\spec\$(ISE_C_COMPILER)\$(ISE_PLATFORM)\lib\mteiffel_curl.lib">
+		<external_object location="$(ECF_CONFIG_PATH)\cURL\spec\$(ISE_C_COMPILER)\$(ISE_PLATFORM)\lib\mteiffel_curl.lib">
 			<condition>
 				<platform value="windows"/>
 				<multithreaded value="true"/>
 				<dotnet value="false"/>
 			</condition>
 		</external_object>
-		<external_object location="$(ECF_CONFIG_PATH}\cURL\spec\$(ISE_C_COMPILER)\$(ISE_PLATFORM)\lib\ileiffel_curl.lib">
+		<external_object location="$(ECF_CONFIG_PATH)\cURL\spec\$(ISE_C_COMPILER)\$(ISE_PLATFORM)\lib\ileiffel_curl.lib">
 			<condition>
 				<platform value="windows"/>
 				<dotnet value="true"/>