diff --git a/lib/tokenize.cpp b/lib/tokenize.cpp
index b6a64658a..a889661e8 100644
--- a/lib/tokenize.cpp
+++ b/lib/tokenize.cpp
@@ -1773,7 +1773,7 @@ void Tokenizer::simplifyTypedef()
                         // don't add parenthesis around function names because it
                         // confuses other simplifications
                         bool needParen = true;
-                        if (!inTemplate && function && tok2->next()->str() != "*")
+                        if (!inTemplate && function && tok2->next() && tok2->next()->str() != "*")
                             needParen = false;
                         if (needParen)
                         {
diff --git a/test/testsimplifytokens.cpp b/test/testsimplifytokens.cpp
index 0fff9f6c9..3a4e2b734 100644
--- a/test/testsimplifytokens.cpp
+++ b/test/testsimplifytokens.cpp
@@ -262,6 +262,7 @@ private:
         TEST_CASE(simplifyTypedef94); // ticket #1982
         TEST_CASE(simplifyTypedef95); // ticket #2844
         TEST_CASE(simplifyTypedef96); // ticket #2886
+        TEST_CASE(simplifyTypedef97); // ticket #2983 (segmentation fault)
 
         TEST_CASE(simplifyTypedefFunction1);
         TEST_CASE(simplifyTypedefFunction2); // ticket #1685
@@ -5338,6 +5339,14 @@ private:
         ASSERT_EQUALS("[test.cpp:1]: (error) syntax error\n", errout.str());
     }
 
+    void simplifyTypedef97() // ticket #2983 (segmentation fault)
+    {
+        const char code[] = "typedef x y\n"
+                            "(A); y\n";
+        sizeof_(code);
+        ASSERT_EQUALS("", errout.str());
+    }
+
     void simplifyTypedefFunction1()
     {
         {