diff --git a/src/errorlogger.h b/src/errorlogger.h
index f6d58d8a9..89a48c56d 100644
--- a/src/errorlogger.h
+++ b/src/errorlogger.h
@@ -47,6 +47,10 @@ public:
         class FileLocation
         {
         public:
+            FileLocation()
+            {
+                line = 0;
+            }
             std::string file;
             unsigned int line;
         };
diff --git a/tools/errmsg.cpp b/tools/errmsg.cpp
index f52a10be3..b286740bd 100644
--- a/tools/errmsg.cpp
+++ b/tools/errmsg.cpp
@@ -173,6 +173,10 @@ int main()
     fout << "        class FileLocation\n";
     fout << "        {\n";
     fout << "        public:\n";
+    fout << "            FileLocation()\n";
+    fout << "            {\n";
+    fout << "                line = 0;\n";
+    fout << "            }\n";
     fout << "            std::string file;\n";
     fout << "            unsigned int line;\n";
     fout << "        };\n";