diff --git a/lib/checkother.cpp b/lib/checkother.cpp
index 138c8a5bf..ffbe2cd2d 100644
--- a/lib/checkother.cpp
+++ b/lib/checkother.cpp
@@ -2069,6 +2069,9 @@ void CheckOther::functionVariableUsage()
 
                 if (dereference)
                 {
+                    Variables::VariableUsage *var = variables.find(varid1);
+                    if (var && var->_type == Variables::array)
+                        variables.write(varid1);
                     variables.writeAliases(varid1);
                     variables.read(varid1);
                 }
diff --git a/test/testunusedvar.cpp b/test/testunusedvar.cpp
index 3ad693053..3ddb229a0 100644
--- a/test/testunusedvar.cpp
+++ b/test/testunusedvar.cpp
@@ -96,6 +96,7 @@ private:
         TEST_CASE(localvarasm);
         TEST_CASE(localvarstatic);
         TEST_CASE(localvardynamic);
+        TEST_CASE(localvararray1);  // ticket #2780
 
         // Don't give false positives for variables in structs/unions
         TEST_CASE(localvarStruct1);
@@ -2643,7 +2644,15 @@ private:
                               "    delete[] ptr;\n"
                               "}\n");
         ASSERT_EQUALS("", errout.str());
+    }
 
+    void localvararray1()
+    {
+        functionVariableUsage("void foo() {\n"
+                              "    int p[5];\n"
+                              "    *p = 0;\n"
+                              "}\n");
+        ASSERT_EQUALS("", errout.str());
     }
 };