diff --git a/bin/build.bat b/bin/build.bat
index d5a6a001c..2b287b0f1 100755
--- a/bin/build.bat
+++ b/bin/build.bat
@@ -4,6 +4,6 @@ cd build
 cmake ^
    -G "NMake Makefiles"^
    -D cppad_cxx_flags="/MP /EHs /EHc /std:c++17 /Zc:__cplusplus"^
-   -D cppad_static_lib=FALSE^
+   -D cppad_static_lib=TRUE^
    ..
 nmake check