diff --git a/rostests/apitests/gdi32/GetTextExtentExPoint.c b/rostests/apitests/gdi32/GetTextExtentExPoint.c
index af7efd70fc2..35b9ad90a5e 100644
--- a/rostests/apitests/gdi32/GetTextExtentExPoint.c
+++ b/rostests/apitests/gdi32/GetTextExtentExPoint.c
@@ -5,6 +5,7 @@
  * PROGRAMMERS:     Timo Kreuzer
  */
 
+#include <stdio.h>
 #include <wine/test.h>
 #include <wingdi.h>
 #include <winuser.h>
diff --git a/rostests/apitests/gdi32/PatBlt.c b/rostests/apitests/gdi32/PatBlt.c
index de4e3637060..18832f19b48 100644
--- a/rostests/apitests/gdi32/PatBlt.c
+++ b/rostests/apitests/gdi32/PatBlt.c
@@ -5,6 +5,7 @@
  * PROGRAMMERS:     Timo Kreuzer
  */
 
+#include <stdio.h>
 #include <wine/test.h>
 #include <wingdi.h>