diff --git a/lib/checkunusedvar.cpp b/lib/checkunusedvar.cpp
index a7a8f74b9..6a385409a 100644
--- a/lib/checkunusedvar.cpp
+++ b/lib/checkunusedvar.cpp
@@ -1013,6 +1013,12 @@ void CheckUnusedVar::checkFunctionVariableUsage_iterateScopes(const Scope* const
         // assignment
         else if ((Token::Match(tok, "%name% [") && Token::simpleMatch(skipBracketsAndMembers(tok->next()), "=")) ||
                  (Token::simpleMatch(tok, "* (") && Token::simpleMatch(tok->next()->link(), ") ="))) {
+            const Token *eq = tok;
+            while (eq && !eq->isAssignmentOp())
+                eq = eq->astParent();
+
+            const bool deref = eq && eq->astOperand1() && eq->astOperand1()->valueType() && eq->astOperand1()->valueType()->pointer == 0U;
+
             if (tok->str() == "*") {
                 tok = tok->tokAt(2);
                 if (tok->str() == "(")
@@ -1031,7 +1037,7 @@ void CheckUnusedVar::checkFunctionVariableUsage_iterateScopes(const Scope* const
                     variables.read(varid, tok);
                     variables.writeAliases(varid, tok);
                 } else if (var->_type == Variables::pointerArray) {
-                    tok = doAssignment(variables, tok, false, scope);
+                    tok = doAssignment(variables, tok, deref, scope);
                 } else
                     variables.writeAll(varid, tok);
             }
diff --git a/test/testunusedvar.cpp b/test/testunusedvar.cpp
index 1382a1443..47eb96855 100644
--- a/test/testunusedvar.cpp
+++ b/test/testunusedvar.cpp
@@ -119,6 +119,7 @@ private:
         TEST_CASE(localvararray1);  // ticket #2780
         TEST_CASE(localvararray2);  // ticket #3438
         TEST_CASE(localvararray3);  // ticket #3980
+        TEST_CASE(localvararray4);  // ticket #4839
         TEST_CASE(localvarstring1);
         TEST_CASE(localvarstring2); // ticket #2929
         TEST_CASE(localvarconst1);
@@ -3654,6 +3655,16 @@ private:
         ASSERT_EQUALS("", errout.str());
     }
 
+    void localvararray4() {
+        functionVariableUsage("void foo() {\n"
+                              "    int p[1];\n"
+                              "    int *pp[0];\n"
+                              "    p[0] = 1;\n"
+                              "    *pp[0] = p[0];\n"
+                              "}");
+        ASSERT_EQUALS("", errout.str());
+    }
+
     void localvarstring1() { // ticket #1597
         functionVariableUsage("void foo() {\n"
                               "    std::string s;\n"