diff --git a/lib/tokenize.cpp b/lib/tokenize.cpp
index 3fca39e8f..4218ced85 100644
--- a/lib/tokenize.cpp
+++ b/lib/tokenize.cpp
@@ -6108,7 +6108,13 @@ bool Tokenizer::simplifyCalculations()
         // Remove parantheses around variable..
         // keep parantheses here: dynamic_cast<Fred *>(p);
         // keep parantheses here: A operator * (int);
-        if (!tok->isName() && tok->str() != ">" && Token::Match(tok->next(), "( %var% ) [;),+-*/><]]") && !Token::simpleMatch(tok->previous(), "operator") && !Token::Match(tok->tokAt(-1), "* )"))
+        // keep parantheses here: operator new [] (size_t);
+        if (Token::Match(tok->next(), "( %var% ) [;),+-*/><]]") &&
+            !tok->isName() &&
+            tok->str() != ">" &&
+            tok->str() != "]" &&
+            !Token::simpleMatch(tok->previous(), "operator") &&
+            !Token::simpleMatch(tok->previous(), "* )"))
         {
             tok->deleteNext();
             tok = tok->next();
diff --git a/test/testsimplifytokens.cpp b/test/testsimplifytokens.cpp
index 4e69a895d..6eba86ee3 100644
--- a/test/testsimplifytokens.cpp
+++ b/test/testsimplifytokens.cpp
@@ -2456,6 +2456,12 @@ private:
 
         ASSERT_EQUALS("x = 501 ;", tok("x = 1000 + 2 >> 1;"));
         ASSERT_EQUALS("x = 125 ;", tok("x = 1000 / 2 >> 2;"));
+
+        {
+            // Ticket #1997
+            const char code[] = "void * operator new[](size_t);";
+            ASSERT_EQUALS("void * operator new [ ] ( size_t ) ;", tok(code));
+        }
     }