diff --git a/simplecpp.cpp b/simplecpp.cpp
index a7ced05a..116b71ce 100644
--- a/simplecpp.cpp
+++ b/simplecpp.cpp
@@ -1025,7 +1025,7 @@ void simplecpp::TokenList::combineOperators()
                 continue;
             }
             const Token *prev = tok->previous;
-            while (prev && prev->isOneOf(";{}()"))
+            while (prev && prev->isOneOf(";{}("))
                 prev = prev->previous;
             executableScope.push(prev && prev->op == ')');
             continue;
diff --git a/test.cpp b/test.cpp
index cd6a4db5..51eee781 100644
--- a/test.cpp
+++ b/test.cpp
@@ -493,6 +493,7 @@ static void combineOperators_andequal()
     ASSERT_EQUALS("x &= 2 ;", preprocess("x &= 2;"));
     ASSERT_EQUALS("void f ( x & = 2 ) ;", preprocess("void f(x &= 2);"));
     ASSERT_EQUALS("f ( x &= 2 ) ;", preprocess("f(x &= 2);"));
+    ASSERT_EQUALS("f ( ) { return new int ( i &= 1 ) ; }", preprocess("f () { return new int(i &= 1); }"));
 }
 
 static void combineOperators_ellipsis()