diff --git a/bindings/c/CMakeLists.txt b/bindings/c/CMakeLists.txt
index 01959eb048..f4dc35f88d 100644
--- a/bindings/c/CMakeLists.txt
+++ b/bindings/c/CMakeLists.txt
@@ -292,6 +292,7 @@ if(NOT WIN32)
           --retain-client-lib-copies
       )
       set_tests_properties("${test_name}" PROPERTIES TIMEOUT 300)
+      set_tests_properties("${test_name}" PROPERTIES ENVIRONMENT "${SANITIZER_OPTIONS}")
     endforeach()
 
     add_test(NAME fdb_c_upgrade_to_future_version
diff --git a/contrib/lsan.suppressions b/contrib/lsan.suppressions
new file mode 100644
index 0000000000..3d3d40e59e
--- /dev/null
+++ b/contrib/lsan.suppressions
@@ -0,0 +1,5 @@
+# LeakSanitizer suppressions file for FDB
+# https://github.com/google/sanitizers/wiki/AddressSanitizerLeakSanitizer
+
+# Not all incoming connections are cleanly shut down in client API tests
+leak:ConnectionReaderActorState
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index a90acc84a1..177de8e7d0 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -10,7 +10,7 @@ set(TEST_AGGREGATE_TRACES "NONE" CACHE STRING "Create aggregated trace files (NO
 set(TEST_LOG_FORMAT "xml" CACHE STRING "Format for test trace files (xml, json)")
 set(TEST_INCLUDE ".*" CACHE STRING "Include only tests that match the given regex")
 set(TEST_EXCLUDE ".^" CACHE STRING "Exclude all tests matching the given regex")
-set(SANITIZER_OPTIONS "UBSAN_OPTIONS=print_stacktrace=1:halt_on_error=1;TSAN_OPTIONS=suppressions=${CMAKE_SOURCE_DIR}/contrib/tsan.suppressions" CACHE STRING "Environment variables setting sanitizer options")
+set(SANITIZER_OPTIONS "UBSAN_OPTIONS=print_stacktrace=1:halt_on_error=1;TSAN_OPTIONS=suppressions=${CMAKE_SOURCE_DIR}/contrib/tsan.suppressions;LSAN_OPTIONS=suppressions=${CMAKE_SOURCE_DIR}/contrib/lsan.suppressions" CACHE STRING "Environment variables setting sanitizer options")
 
 # for the restart test we optimally want to use the last stable fdbserver
 # to test upgrades