diff --git a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/dataprovider/ConfigurationDataProvider.java b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/dataprovider/ConfigurationDataProvider.java
index 37b4064c516..04044c45d01 100644
--- a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/dataprovider/ConfigurationDataProvider.java
+++ b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/dataprovider/ConfigurationDataProvider.java
@@ -298,7 +298,7 @@ public class ConfigurationDataProvider extends CConfigurationDataProvider implem
 		newCfg.setConfigurationDescription(cfgDescription);
 		newCfg.setName(cfgDescription.getName());
 
-		cfgDescription.setConfigurationData(ManagedBuildManager.CFG_DATA_PROVIDER_ID, newCfg.getConfigurationData());
+		cfgDescription.setConfigurationData(cfgDescription.getBuildSystemId(), newCfg.getConfigurationData());
 
 		ManagedBuildManager.performValueHandlerEvent(newCfg, IManagedOptionValueHandler.EVENT_OPEN);