diff --git a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/language/settings/providers/PathEntryScannerInfoLanguageSettingsProvider.java b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/language/settings/providers/PathEntryScannerInfoLanguageSettingsProvider.java
index 0c10b459325..9b20c56fe1d 100644
--- a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/language/settings/providers/PathEntryScannerInfoLanguageSettingsProvider.java
+++ b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/language/settings/providers/PathEntryScannerInfoLanguageSettingsProvider.java
@@ -118,6 +118,8 @@ public class PathEntryScannerInfoLanguageSettingsProvider extends LanguageSettin
 			}
 		} catch (CoreException e) {
 			CCorePlugin.log(e);
+		} finally {
+			pathEntryStore.close();
 		}
 
 		Set<ICLanguageSettingEntry> lsEntries = new LinkedHashSet<>();