diff --git a/crypto/fipsmodule/CMakeLists.txt b/crypto/fipsmodule/CMakeLists.txt
index 3df03a9c6a..e2af084285 100644
--- a/crypto/fipsmodule/CMakeLists.txt
+++ b/crypto/fipsmodule/CMakeLists.txt
@@ -312,7 +312,7 @@ function(s2n_asm_cpreprocess dest src)
   add_custom_command(
           OUTPUT ${dest}
           COMMAND ${CMAKE_COMMAND} -E make_directory ${dir}
-          COMMAND ${CMAKE_ASM_COMPILER} ${TARGET} ${CMAKE_ASM_FLAGS} -E ${S2N_BIGNUM_DIR}/${src} -I${S2N_BIGNUM_INCLUDE_DIR} ${S2N_BIGNUM_PREFIX_INCLUDE} ${S2N_BIGNUM_PREFIX_INCLUDE} -DS2N_BN_HIDE_SYMBOLS | tr \"\;\" \"\\n\" > ${dest}
+          COMMAND ${CMAKE_ASM_COMPILER} ${TARGET} ${CMAKE_ASM_FLAGS} -E ${S2N_BIGNUM_DIR}/${src} -I${S2N_BIGNUM_INCLUDE_DIR} ${S2N_BIGNUM_PREFIX_INCLUDE} -DS2N_BN_HIDE_SYMBOLS | tr \"\;\" \"\\n\" > ${dest}
           DEPENDS
           ${S2N_BIGNUM_DIR}/${src}
           WORKING_DIRECTORY .