diff --git a/.gitignore b/.gitignore
index f4739a6f..72a523f2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,5 @@
 nbactions.xml
 src/site/markdown/*.html
 target/
+/.classpath
+/.project
diff --git a/src/main/java/org/microbean/helm/chart/HelmIgnorePathMatcher.java b/src/main/java/org/microbean/helm/chart/HelmIgnorePathMatcher.java
index 40c986e9..19995df1 100644
--- a/src/main/java/org/microbean/helm/chart/HelmIgnorePathMatcher.java
+++ b/src/main/java/org/microbean/helm/chart/HelmIgnorePathMatcher.java
@@ -259,11 +259,11 @@ public void addPatterns(final Collection<? extends String> stringPatterns) {
                 regex.append("\\.");
                 break;
               case '*':
-                regex.append("[^").append(File.separator).append("]*");
-                break;
+        	regex.append("[^\\\\]*");
+        	break;
               case '?':
-                regex.append("[^").append(File.separator).append("]?");
-                break;
+        	regex.append("[^\\\\]?");
+        	break;
               default:
                 regex.append(c);
                 break;
diff --git a/src/main/java/org/microbean/helm/chart/StreamOrientedChartLoader.java b/src/main/java/org/microbean/helm/chart/StreamOrientedChartLoader.java
index 6446a261..9fea0f0a 100644
--- a/src/main/java/org/microbean/helm/chart/StreamOrientedChartLoader.java
+++ b/src/main/java/org/microbean/helm/chart/StreamOrientedChartLoader.java
@@ -273,6 +273,10 @@ private final void addFile(final NavigableMap<String, Chart.Builder> chartBuilde
     Objects.requireNonNull(chartBuilders);
     Objects.requireNonNull(path);
     Objects.requireNonNull(stream);
+
+    if (path.length() == 0) {
+	return;
+    }
     
     final Chart.Builder builder = getChartBuilder(chartBuilders, path);
     if (builder == null) {