diff --git a/firmware/target/mips/mmu-mips.c b/firmware/target/mips/mmu-mips.c
index 4f2de528bd..2daed5ed9e 100644
--- a/firmware/target/mips/mmu-mips.c
+++ b/firmware/target/mips/mmu-mips.c
@@ -234,7 +234,7 @@ void discard_dcache_range(const void *base, unsigned int size)
        cacheline and shrink down the region to discard. */
     if (ptr != end && (end !=((char*)base + size))) {
         end -= CACHEALIGN_SIZE;
-        __CACHE_OP(DCHitWBInv, ptr);
+        __CACHE_OP(DCHitWBInv, end);
     }
 
     /* Finally, discard whatever is left */