# MutantHub mutant #286: Function call mutation at pow.cpp:56
# Repository: bitcoin/bitcoin @ a09a81ebfce360a45484e2d0e4e8e889f5d5d214
# File: src/pow.cpp:56-56
# Review: APPROVED; outcome: SURVIVED
--- a/src/pow.cpp
+++ b/src/pow.cpp
@@ -56,1 +56,1 @@
-    int64_t nActualTimespan = pindexLast->GetBlockTime() - nFirstBlockTime;
+    int64_t nActualTimespan = pindexLast->GetMedianTimePast() - nFirstBlockTime;