diff --git a/libs/kiplatform/gtk/io.cpp b/libs/kiplatform/gtk/io.cpp
index 47cc4a5ab0..51443c67d6 100644
--- a/libs/kiplatform/gtk/io.cpp
+++ b/libs/kiplatform/gtk/io.cpp
@@ -30,7 +30,8 @@ FILE* KIPLATFORM::IO::SeqFOpen( const wxString& aPath, const wxString& aMode )
 {
     FILE* fp = wxFopen( aPath, aMode );
 
-    posix_fadvise( fileno( fp ), 0, 0, POSIX_FADV_SEQUENTIAL );
+    if( fp )
+        posix_fadvise( fileno( fp ), 0, 0, POSIX_FADV_SEQUENTIAL );
 
     return fp;
 }