diff --git a/cmake_modules/TudatLinkLibraries.cmake b/cmake_modules/TudatLinkLibraries.cmake
index 4a7382118..f1fc82199 100644
--- a/cmake_modules/TudatLinkLibraries.cmake
+++ b/cmake_modules/TudatLinkLibraries.cmake
@@ -25,7 +25,7 @@ endif ()
 
 list(APPEND TUDAT_EXTERNAL_INTERFACE_LIBRARIES ${NRLMSISE00_LIBRARIES})
 
-list(APPEND TUDAT_EXTERNAL_INTERFACE_LIBRARIES ${FFTW_LIBRARIES})
+list(APPEND TUDAT_EXTERNAL_INTERFACE_LIBRARIES ${FFTW3_LIBRARIES})
 
 if (TUDAT_BUILD_WITH_JSON_INTERFACE)
     list(APPEND TUDAT_EXTERNAL_LIBRARIES ${nlohmann_json_LIBRARIES})