diff --git a/lib/smb.c b/lib/smb.c
index 10785f5875..a62e858143 100644
--- a/lib/smb.c
+++ b/lib/smb.c
@@ -34,7 +34,7 @@
 #include <process.h>
 #ifdef CURL_WINDOWS_APP
 #define getpid GetCurrentProcessId
-#elif defined(CURL_WIN32)
+#elif defined(WIN32)
 #define getpid _getpid
 #endif
 #endif