diff --git a/kernel-module/xt_RTPENGINE.c b/kernel-module/xt_RTPENGINE.c
index 8535febfb..18ca6520b 100644
--- a/kernel-module/xt_RTPENGINE.c
+++ b/kernel-module/xt_RTPENGINE.c
@@ -158,7 +158,7 @@ MODULE_IMPORT_NS(CRYPTO_INTERNAL);
 #if LINUX_VERSION_CODE < KERNEL_VERSION(3,10,0)
 #define PDE_DATA(i) (PDE(i)->data)
 #elif LINUX_VERSION_CODE >= KERNEL_VERSION(5,17,0)
-#define PDE_DATA(i) pda_data(i)
+#define PDE_DATA(i) pde_data(i)
 #endif