diff --git a/Gemfile.lock b/Gemfile.lock
index d55e5ad..f5fd049 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -5,6 +5,7 @@ GEM
 
 PLATFORMS
   ruby
+  x64-mingw32
 
 DEPENDENCIES
   emplace (~> 0.2.1)
diff --git a/src/cppunit/CMakeLists.txt b/src/cppunit/CMakeLists.txt
index 4875572..81c205a 100644
--- a/src/cppunit/CMakeLists.txt
+++ b/src/cppunit/CMakeLists.txt
@@ -72,5 +72,5 @@ include_directories(
 
 add_library(cppunit STATIC ${SOURCES})
 install(TARGETS cppunit ARCHIVE DESTINATION lib)
-install_symbols(TARGETS cppunit STATIC DESTINATION symbols)
+install_symbols(TARGETS cppunit STATIC DESTINATION lib)