diff --git a/lib/checkbufferoverrun.cpp b/lib/checkbufferoverrun.cpp
old mode 100644
new mode 100755
index 4492d5100..f304d1890
--- a/lib/checkbufferoverrun.cpp
+++ b/lib/checkbufferoverrun.cpp
@@ -999,6 +999,8 @@ void CheckBufferOverrun::objectIndex()
                 if (v.lifetimeKind != ValueFlow::Value::LifetimeKind::Address)
                     continue;
                 const Variable *var = v.tokvalue->variable();
+                if (!var)
+                    continue;
                 if (var->isReference())
                     continue;
                 if (var->isRValueReference())
diff --git a/test/testbufferoverrun.cpp b/test/testbufferoverrun.cpp
old mode 100644
new mode 100755
index d8a65410c..ea7435d4c
--- a/test/testbufferoverrun.cpp
+++ b/test/testbufferoverrun.cpp
@@ -4750,6 +4750,15 @@ private:
               "    free(*str);\n"
               "}\n", "test.c");
         ASSERT_EQUALS("", errout.str());
+
+        check("template <typename T, unsigned N>\n"
+              "using vector = Eigen::Matrix<T, N, 1>;\n"
+              "template <typename V>\n"
+              "void scharr(image2d<vector<V, 2>>& out) {\n"
+              "    vector<V, 2>* out_row = &out(r, 0);\n"
+              "    out_row[c] = vector<V, 2>(1,2);\n"
+              "}\n");
+        ASSERT_EQUALS("", errout.str());
     }
 };