diff --git a/contrib/teamcity/build-configurations.sh b/contrib/teamcity/build-configurations.sh
--- a/contrib/teamcity/build-configurations.sh
+++ b/contrib/teamcity/build-configurations.sh
@@ -59,7 +59,7 @@
 case "$ABC_BUILD_NAME" in
   build-asan)
     # Build with the address sanitizer, then run unit tests and functional tests.
-    CONFIGURE_FLAGS="--enable-debug --with-sanitizers=address --disable-ccache" "${CI_SCRIPTS_DIR}"/build_autotools.sh
+    CONFIGURE_FLAGS="CPPFLAGS=-DARENA_DEBUG --enable-debug --with-sanitizers=address --disable-ccache" "${CI_SCRIPTS_DIR}"/build_autotools.sh
     make -j "${THREADS}" check
     # FIXME Remove when wallet_multiwallet works with asan after backporting at least the following PRs from Core and their dependencies: 13161, 12493, 14320, 14552, 14760, 11911.
     TEST_RUNNER_FLAGS="${TEST_RUNNER_FLAGS} --exclude=wallet_multiwallet"
diff --git a/src/support/lockedpool.cpp b/src/support/lockedpool.cpp
--- a/src/support/lockedpool.cpp
+++ b/src/support/lockedpool.cpp
@@ -28,6 +28,10 @@
 
 #include <algorithm>
 #include <memory>
+#ifdef ARENA_DEBUG
+#include <iomanip>
+#include <iostream>
+#endif
 
 LockedPoolManager *LockedPoolManager::_instance = nullptr;
 std::once_flag LockedPoolManager::init_flag;
@@ -143,7 +147,7 @@
 }
 
 #ifdef ARENA_DEBUG
-static void printchunk(char *base, size_t sz, bool used) {
+static void printchunk(void *base, size_t sz, bool used) {
     std::cout << "0x" << std::hex << std::setw(16) << std::setfill('0') << base
               << " 0x" << std::hex << std::setw(16) << std::setfill('0') << sz
               << " 0x" << used << std::endl;
@@ -153,7 +157,7 @@
         printchunk(chunk.first, chunk.second, true);
     std::cout << std::endl;
     for (const auto &chunk : chunks_free)
-        printchunk(chunk.first, chunk.second, false);
+        printchunk(chunk.first, chunk.second->first, false);
     std::cout << std::endl;
 }
 #endif