diff --git a/examples/mnist/CMakeLists.txt b/examples/mnist/CMakeLists.txt
index 2d6a57f0d..ef17a7273 100644
--- a/examples/mnist/CMakeLists.txt
+++ b/examples/mnist/CMakeLists.txt
@@ -2,7 +2,7 @@
 # mnist-common
 
 set(TEST_TARGET mnist-common)
-add_library(${TEST_TARGET} mnist-common.cpp)
+add_library(${TEST_TARGET} STATIC mnist-common.cpp)
 target_link_libraries(${TEST_TARGET} PRIVATE ggml common)
 
 #