diff --git a/scst/include/backport.h b/scst/include/backport.h
index 3ebdf5770..853faf8ea 100644
--- a/scst/include/backport.h
+++ b/scst/include/backport.h
@@ -905,7 +905,9 @@ static inline void *kvzalloc(size_t size, gfp_t flags)
 }
 #endif
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 18, 0)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 18, 0) &&			\
+       (!defined(MOFED_MAJOR) || !defined(MOFED_MINOR) ||		\
+	MOFED_MAJOR < 4 || (MOFED_MAJOR == 4 && MOFED_MINOR < 5))
 /* See also commit 1c542f38ab8d ("mm: Introduce kvcalloc()") # v4.18. */
 static inline void *kvcalloc(size_t n, size_t size, gfp_t flags)
 {