diff --git a/src/common/mimecmn.cpp b/src/common/mimecmn.cpp
index c663f9d7bd..82875e9c60 100644
--- a/src/common/mimecmn.cpp
+++ b/src/common/mimecmn.cpp
@@ -537,7 +537,7 @@ wxMimeTypesManager::GetFileTypeFromMimeType(const wxString& mimeType)
     EnsureImpl();
     wxFileType *ft = m_impl->GetFileTypeFromMimeType(mimeType);
 
-    if ( ft ) {
+    if ( !ft ) {
         // check the fallbacks
         //
         // TODO linear search is potentially slow, perhaps we should use a sorted