diff --git a/include/sqlpp11/aggregate_functions/count.h b/include/sqlpp11/aggregate_functions/count.h
index cf77e23a..664facb6 100644
--- a/include/sqlpp11/aggregate_functions/count.h
+++ b/include/sqlpp11/aggregate_functions/count.h
@@ -31,6 +31,7 @@
 #include <sqlpp11/select_flags.h>
 #include <sqlpp11/aggregate_function_operators.h>
 #include <sqlpp11/data_types/integral/data_type.h>
+#include <sqlpp11/noop.h>
 
 namespace sqlpp
 {
diff --git a/include/sqlpp11/data_types/integral/data_type.h b/include/sqlpp11/data_types/integral/data_type.h
index 85198234..182398ef 100644
--- a/include/sqlpp11/data_types/integral/data_type.h
+++ b/include/sqlpp11/data_types/integral/data_type.h
@@ -27,6 +27,7 @@
  */
 
 #include <sqlpp11/type_traits.h>
+#include <cstdint>
 
 namespace sqlpp
 {
diff --git a/include/sqlpp11/over.h b/include/sqlpp11/over.h
index d42a4586..ec6ec658 100644
--- a/include/sqlpp11/over.h
+++ b/include/sqlpp11/over.h
@@ -27,6 +27,8 @@
  */
 
 #include <sqlpp11/type_traits.h>
+#include <sqlpp11/alias_operators.h>
+#include <sqlpp11/expression_operators.h>
 
 namespace sqlpp
 {