diff --git a/lib/checknullpointer.cpp b/lib/checknullpointer.cpp
index ce60a3f4c..65736a20c 100644
--- a/lib/checknullpointer.cpp
+++ b/lib/checknullpointer.cpp
@@ -425,9 +425,9 @@ void CheckNullPointer::nullConstantDereference()
             }
 
             const Variable *ovar = nullptr;
-            if (Token::Match(tok, "0 ==|!= %var% !!."))
+            if (Token::Match(tok, "0 ==|!=|>|>=|<|<= %var% !!."))
                 ovar = tok->tokAt(2)->variable();
-            else if (Token::Match(tok, "%var% ==|!= 0"))
+            else if (Token::Match(tok, "%var% ==|!=|>|>=|<|<= 0"))
                 ovar = tok->variable();
             else if (Token::Match(tok, "%var% =|+ 0 )|]|,|;|+"))
                 ovar = tok->variable();