diff --git a/lib/symboldatabase.cpp b/lib/symboldatabase.cpp
index f5a0eb8b0..194db6fca 100644
--- a/lib/symboldatabase.cpp
+++ b/lib/symboldatabase.cpp
@@ -1305,7 +1305,7 @@ bool SymbolDatabase::arrayDimensions(std::vector<Dimension> &dimensions, const T
 
     const Token *dim = tok;
 
-    while (dim->str() == "[" && dim->next() && dim->next()->str() != "]")
+    while (dim && dim->next() && dim->str() == "[" && dim->next()->str() != "]")
     {
         Dimension dimension;
         dimension.num = 0;
diff --git a/test/testsymboldatabase.cpp b/test/testsymboldatabase.cpp
index d25530ae0..0c81cc14f 100644
--- a/test/testsymboldatabase.cpp
+++ b/test/testsymboldatabase.cpp
@@ -120,6 +120,7 @@ private:
         TEST_CASE(symboldatabase15); // ticket #2591
         TEST_CASE(symboldatabase16); // ticket #2637
         TEST_CASE(symboldatabase17); // ticket #2657
+        TEST_CASE(symboldatabase18); // ticket #2865
     }
 
     void test_isVariableDeclarationCanHandleNull()
@@ -869,6 +870,14 @@ private:
         ASSERT_EQUALS("", errout.str());
     }
 
+    void symboldatabase18()
+    {
+        // ticket #2865 - segmentation fault
+        check("char a[1]\n");
+
+        ASSERT_EQUALS("", errout.str());
+    }
+
 };
 
 REGISTER_TEST(TestSymbolDatabase)