diff --git a/checkother.cpp b/checkother.cpp
index 06c350702..48df6c0fc 100644
--- a/checkother.cpp
+++ b/checkother.cpp
@@ -809,7 +809,7 @@ static bool isOp(const Token *tok)
                  tok->str() == ">" ||
                  tok->str() == ">=" ||
                  tok->str() == "<<" ||
-                 Token::Match(tok, "[+-*/&|,[])]")));
+                 Token::Match(tok, "[+-*/%&|,[])]")));
 }
 
 void CheckOther::functionVariableUsage()
diff --git a/testunusedvar.cpp b/testunusedvar.cpp
index 9a4eb47b0..b58bf16e8 100644
--- a/testunusedvar.cpp
+++ b/testunusedvar.cpp
@@ -63,6 +63,8 @@ private:
         TEST_CASE( localvar4 );
         TEST_CASE( localvar5 );
         TEST_CASE( localvar6 );
+
+        TEST_CASE( localvarMod );   // Usage with modulo
     }
 
     void structmember1()
@@ -198,6 +200,17 @@ private:
         ASSERT_EQUALS( std::string(""), errout.str() );
     }
 
+    void localvarMod()
+    {
+        functionVariableUsage( "int main()\n"
+                               "{\n"
+                               "    int tmp = 10;\n"
+                               "    return 123 % tmp;\n"
+                               "}\n" );
+        ASSERT_EQUALS( std::string(""), errout.str() );
+    }
+
+
 };
 
 REGISTER_TEST( TestUnusedVar )