diff --git a/include/vara/Feature/FeatureSourceRange.h b/include/vara/Feature/FeatureSourceRange.h
index 56dfdc17..089f2b99 100644
--- a/include/vara/Feature/FeatureSourceRange.h
+++ b/include/vara/Feature/FeatureSourceRange.h
@@ -116,6 +116,9 @@ class FeatureSourceRange {
         assert(Nested.value() < Class.size());
         return Class[Class.size() - Nested.value() - 1];
       }
+      if (Class.empty()) {
+        return "";
+      }
       std::stringstream StrS;
       StrS << Class[0];
       for (size_t Idx = 1; Idx < Class.size(); ++Idx) {
@@ -158,6 +161,9 @@ class FeatureSourceRange {
 
     static llvm::SmallVector<llvm::StringRef, 1>
     splitClass(llvm::StringRef Class) {
+      if (Class.empty()) {
+        return {};
+      }
       llvm::SmallVector<llvm::StringRef, 1> Split;
       Class.split(Split, "::");
       return Split;
diff --git a/unittests/Feature/FeatureSourceRange.cpp b/unittests/Feature/FeatureSourceRange.cpp
index c2140934..5b674299 100644
--- a/unittests/Feature/FeatureSourceRange.cpp
+++ b/unittests/Feature/FeatureSourceRange.cpp
@@ -133,6 +133,7 @@ TEST(FeatureMemberOffset, individualAccessors) {
   EXPECT_EQ(Member.value().className(0), "bar");
   EXPECT_EQ(Member.value().className(1), "foo");
   EXPECT_EQ(Member.value().memberName(), "member");
+  EXPECT_EQ(Member.value().nestingDepth(), 2);
 }
 
 TEST(FeatureMemberOffset, anonymous) {
@@ -143,6 +144,7 @@ TEST(FeatureMemberOffset, anonymous) {
   EXPECT_EQ(Member->toString(), "::member");
   EXPECT_EQ(Member.value().className(), "");
   EXPECT_EQ(Member.value().memberName(), "member");
+  EXPECT_EQ(Member.value().nestingDepth(), 0);
 }
 
 TEST(FeatureMemberOffset, comparison) {