diff --git a/src/apps/debugger/dwarf/SourceLanguageInfo.cpp b/src/apps/debugger/dwarf/SourceLanguageInfo.cpp
index 0baa48a876..1683e93792 100644
--- a/src/apps/debugger/dwarf/SourceLanguageInfo.cpp
+++ b/src/apps/debugger/dwarf/SourceLanguageInfo.cpp
@@ -12,12 +12,14 @@ UnknownSourceLanguageInfo::UnknownSourceLanguageInfo()
 {
 	name = "unknown";
 	arrayOrdering = DW_ORD_row_major;
+	subrangeLowerBound = 0;
 }
 
 
 CFamilySourceLanguageInfo::CFamilySourceLanguageInfo()
 {
 	arrayOrdering = DW_ORD_row_major;
+	subrangeLowerBound = 0;
 }
 
 
diff --git a/src/apps/debugger/dwarf/SourceLanguageInfo.h b/src/apps/debugger/dwarf/SourceLanguageInfo.h
index 2bc8e5c6fd..48a2b79c9a 100644
--- a/src/apps/debugger/dwarf/SourceLanguageInfo.h
+++ b/src/apps/debugger/dwarf/SourceLanguageInfo.h
@@ -11,6 +11,7 @@
 struct SourceLanguageInfo {
 	const char*	name;
 	uint8		arrayOrdering;
+	uint64		subrangeLowerBound;
 };