diff --git a/dlls/msvideo/msvideo_main.c b/dlls/msvideo/msvideo_main.c
index 2ac5ff3d3f9..ce9a25e1f08 100644
--- a/dlls/msvideo/msvideo_main.c
+++ b/dlls/msvideo/msvideo_main.c
@@ -811,7 +811,7 @@ static INT_PTR CALLBACK icm_choose_compressor_dlgproc(HWND hdlg, UINT msg, WPARA
             struct codec_info *ic;
             BOOL enable = FALSE;
 
-            if (HIWORD(wparam != CBN_SELCHANGE))
+            if (HIWORD(wparam) != CBN_SELCHANGE)
                 break;
 
             cur_sel = SendMessageW((HWND)lparam, CB_GETCURSEL, 0, 0);
@@ -832,7 +832,7 @@ static INT_PTR CALLBACK icm_choose_compressor_dlgproc(HWND hdlg, UINT msg, WPARA
             INT cur_sel;
             struct codec_info *ic;
 
-            if (HIWORD(wparam != BN_CLICKED))
+            if (HIWORD(wparam) != BN_CLICKED)
                 break;
 
             cur_sel = SendMessageW(list, CB_GETCURSEL, 0, 0);
@@ -850,6 +850,9 @@ static INT_PTR CALLBACK icm_choose_compressor_dlgproc(HWND hdlg, UINT msg, WPARA
             INT cur_sel;
             struct codec_info *ic;
 
+            if (HIWORD(wparam) != BN_CLICKED)
+                break;
+
             cur_sel = SendMessageW(list, CB_GETCURSEL, 0, 0);
             ic = (struct codec_info *)SendMessageW(list, CB_GETITEMDATA, cur_sel, 0);
             if (ic)
@@ -871,6 +874,9 @@ static INT_PTR CALLBACK icm_choose_compressor_dlgproc(HWND hdlg, UINT msg, WPARA
             HWND list = GetDlgItem(hdlg, IDC_COMP_LIST);
             INT idx = 0;
 
+            if (HIWORD(wparam) != BN_CLICKED)
+                break;
+
             while (1)
             {
                 struct codec_info *ic;