diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 2cb18a4a3..5456a4fde 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -50,6 +50,7 @@ set(SPDLOG_UTESTS_SOURCES
     test_circular_q.cpp
     test_ringbuffer_sink.cpp
     test_source_location.cpp
+    test_no_source_location.cpp
     test_log_level.cpp
     test_include_sinks.cpp)
 
diff --git a/tests/test_no_source_location.cpp b/tests/test_no_source_location.cpp
new file mode 100644
index 000000000..19b652a56
--- /dev/null
+++ b/tests/test_no_source_location.cpp
@@ -0,0 +1,22 @@
+#ifndef SPDLOG_NO_SOURCE_LOC
+#define SPDLOG_NO_SOURCE_LOC
+#endif
+
+#include "includes.h"
+#include "test_sink.h"
+
+// no source location should appear in the log message
+TEST_CASE("test_no_source_location", "[source_location]") {
+    auto test_sink = std::make_shared<spdlog::sinks::test_sink_mt>();
+    auto logger = std::make_shared<spdlog::logger>("test", test_sink);
+    logger->set_pattern("%s:%#:%! %v");
+
+    // test with no source location with parameters
+    SPDLOG_LOGGER_CALL(logger, spdlog::level::info, "Hello {}", "no source location");
+    REQUIRE(test_sink->lines().size() == 1);
+    REQUIRE(test_sink->lines()[0] == ":: Hello no source location");
+    // test with no source location without parameters
+    SPDLOG_LOGGER_CALL(logger, spdlog::level::info, "Hello");
+    REQUIRE(test_sink->lines().size() == 2);
+    REQUIRE(test_sink->lines()[1] == ":: Hello");
+}
diff --git a/tests/test_sink.h b/tests/test_sink.h
index 827034d92..fd787bd0b 100644
--- a/tests/test_sink.h
+++ b/tests/test_sink.h
@@ -12,6 +12,7 @@
 #include "spdlog/details/null_mutex.h"
 #include "spdlog/fmt/fmt.h"
 #include "spdlog/sinks/base_sink.h"
+#include "spdlog/details/os.h"
 
 namespace spdlog {
 namespace sinks {
diff --git a/tests/test_source_location.cpp b/tests/test_source_location.cpp
index 1bd0da42e..04b3e6d70 100644
--- a/tests/test_source_location.cpp
+++ b/tests/test_source_location.cpp
@@ -1,21 +1,25 @@
-#ifndef SPDLOG_NO_SOURCE_LOC
+#ifdef  SPDLOG_NO_SOURCE_LOC
+#undef  SPDLOG_NO_SOURCE_LOC
+#endif
 
 #include "includes.h"
-#include "spdlog/sinks/ostream_sink.h"
 #include "test_sink.h"
 
 
-using spdlog::details::os::default_eol;
-
+// test with source location
 TEST_CASE("test_source_location", "[source_location]") {
-    std::ostringstream oss;
-    auto oss_sink = std::make_shared<spdlog::sinks::ostream_sink_st>(oss);
-    auto oss_logger = std::make_shared<spdlog::logger>("oss", oss_sink);
-    //spdlog::logger oss_logger("oss", oss_sink);
-    oss_logger->set_pattern("%s:%# %v");
-
-    SPDLOG_LOGGER_CALL(oss_logger, spdlog::level::info, "Hello {}", "source location");
-    REQUIRE(oss.str() == std::string("test_source_location.cpp:17 Hello source location") + default_eol);
+    auto test_sink = std::make_shared<spdlog::sinks::test_sink_mt>();
+    auto logger = std::make_shared<spdlog::logger>("test", test_sink);
+    logger->set_pattern("%s:%# %v");
+    // test with source location with parameters
+    SPDLOG_LOGGER_CALL(logger, spdlog::level::info, "Hello {}", "source location");
+    REQUIRE(test_sink->lines().size() == 1);
+    REQUIRE(test_sink->lines()[0] == "test_source_location.cpp:14 Hello source location");
+    // test with source location without parameters
+    SPDLOG_LOGGER_CALL(logger, spdlog::level::info, "Hello");
+    REQUIRE(test_sink->lines().size() == 2);
+    REQUIRE(test_sink->lines()[1] == "test_source_location.cpp:18 Hello");
 }
 
-#endif
+
+//REQUIRE(oss.str() == std::string("test_source_location.cpp:20 Hello source location") + default_eol);