diff --git a/winehelper b/winehelper
index 066e5a3..f981475 100755
--- a/winehelper
+++ b/winehelper
@@ -1265,6 +1265,11 @@ prepair_wine () {
 }
 
 wine_run () {
+    if [[ $WINEARCH == "win32" ]] \
+    && file "$WIN_FILE_EXEC" | grep -q "x86-64"
+    then fatal "Нельзя запустить 64-битное приложение в 32-битном префиксе!"
+    fi
+
     WIN_FILE_PATH="$(dirname "$WIN_FILE_EXEC")"
     [[ -d "$WIN_FILE_PATH" ]] && cd "$WIN_FILE_PATH"