diff --git a/src/tbb/CMakeLists.txt b/src/tbb/CMakeLists.txt
index f518086..02ca310 100644
--- a/src/tbb/CMakeLists.txt
+++ b/src/tbb/CMakeLists.txt
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-add_library(tbb SHARED
+add_library(tbb
     allocator.cpp
     arena.cpp
     arena_slot.cpp
diff --git a/src/tbbmalloc/CMakeLists.txt b/src/tbbmalloc/CMakeLists.txt
index 528436d..1311eab 100644
--- a/src/tbbmalloc/CMakeLists.txt
+++ b/src/tbbmalloc/CMakeLists.txt
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-add_library(tbbmalloc SHARED
+add_library(tbbmalloc
     backend.cpp
     backref.cpp
     frontend.cpp
diff --git a/src/tbbmalloc_proxy/CMakeLists.txt b/src/tbbmalloc_proxy/CMakeLists.txt
index c639e78..892f26e 100644
--- a/src/tbbmalloc_proxy/CMakeLists.txt
+++ b/src/tbbmalloc_proxy/CMakeLists.txt
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-add_library(tbbmalloc_proxy SHARED
+add_library(tbbmalloc_proxy
     function_replacement.cpp
     proxy.cpp)