1 files changed, 4 insertions, 2 deletions

diff --git a/enigma-swing/src/main/java/cuchaz/enigma/gui/stats/StatsGenerator.java b/enigma-swing/src/main/java/cuchaz/enigma/gui/stats/StatsGenerator.java
index 915f1c61..629793bd 100644
--- a/enigma-swing/src/main/java/cuchaz/enigma/gui/stats/StatsGenerator.java
+++ b/enigma-swing/src/main/java/cuchaz/enigma/gui/stats/StatsGenerator.java
@@ -66,8 +66,9 @@ public class StatsGenerator {
                                                 .findFirst()
                                                 .orElseThrow(AssertionError::new);
                                 ClassEntry clazz = root.getParent();
+                                final String packageName = this.mapper.deobfuscate(clazz).getPackageName();
 
-                                if (root == method && this.mapper.deobfuscate(clazz).getPackageName().startsWith(topLevelPackageSlash)) {
+                                if (root == method && packageName != null && packageName.startsWith(topLevelPackageSlash)) {
                                         if (includedMembers.contains(StatsMember.METHODS) && !((MethodDefEntry) method).getAccess().isSynthetic()) {
                                                 update(counts, method);
                                                 totalMappable++;
@@ -90,8 +91,9 @@ public class StatsGenerator {
                         for (FieldEntry field : entryIndex.getFields()) {
                                 progress.step(numDone++, I18n.translate("type.fields"));
                                 ClassEntry clazz = field.getParent();
+                                final String packageName = this.mapper.deobfuscate(clazz).getPackageName();
 
-                                if (!((FieldDefEntry) field).getAccess().isSynthetic() && this.mapper.deobfuscate(clazz).getPackageName().startsWith(topLevelPackageSlash)) {
+                                if (!((FieldDefEntry) field).getAccess().isSynthetic() && packageName != null && packageName.startsWith(topLevelPackageSlash)) {
                                         update(counts, field);
                                         totalMappable++;
                                 }