diff --git a/bin/windows/kafka-server-start.bat b/bin/windows/kafka-server-start.bat
index 6cf0533bd05b5..0b4aebeec61ac 100644
--- a/bin/windows/kafka-server-start.bat
+++ b/bin/windows/kafka-server-start.bat
@@ -25,8 +25,7 @@ IF ["%KAFKA_LOG4J_OPTS%"] EQU [""] (
 )
 IF ["%KAFKA_HEAP_OPTS%"] EQU [""] (
     rem detect OS architecture
-    wmic os get osarchitecture | find /i "32-bit" >nul 2>&1
-    IF NOT ERRORLEVEL 1 (
+    IF "%PROCESSOR_ARCHITECTURE%"=="x86" (
         rem 32-bit OS
         set KAFKA_HEAP_OPTS=-Xmx512M -Xms512M
     ) ELSE (