diff --git a/dlls/cabinet/fci.c b/dlls/cabinet/fci.c
index 9ec1bdd1bf7..82d94ab4f67 100644
--- a/dlls/cabinet/fci.c
+++ b/dlls/cabinet/fci.c
@@ -205,7 +205,7 @@ static FCI_Int *get_fci_ptr( HFCI hfci )
 {
     FCI_Int *fci= (FCI_Int *)hfci;
 
-    if (!fci || !fci->magic == FCI_INT_MAGIC)
+    if (!fci || fci->magic != FCI_INT_MAGIC)
     {
         SetLastError( ERROR_INVALID_HANDLE );
         return NULL;