diff --git a/src/qt/intro.cpp b/src/qt/intro.cpp
index 6b5ac47f2..5eef52637 100644
--- a/src/qt/intro.cpp
+++ b/src/qt/intro.cpp
@@ -23,7 +23,7 @@
 
 static const uint64_t GB_BYTES = 1000000000LL;
 /* Minimum free space (in GB) needed for data directory */
-static const uint64_t BLOCK_CHAIN_SIZE = 120;
+static const uint64_t BLOCK_CHAIN_SIZE = 55;
 /* Minimum free space (in GB) needed for data directory when pruned; Does not include prune target */
 static const uint64_t CHAIN_STATE_SIZE = 2;
 /* Total required space (in GB) depending on user choice (prune, not prune) */