diff --git a/map65/libm65/CMakeLists.txt b/map65/libm65/CMakeLists.txt
index 3a1bde478..7dbad8d82 100644
--- a/map65/libm65/CMakeLists.txt
+++ b/map65/libm65/CMakeLists.txt
@@ -122,7 +122,7 @@ set_property (SOURCE ${libm65_C_and_CXXSRCS} APPEND PROPERTY OBJECT_DEPENDS ${CM
 # build our targets
 #
 add_library (m65impl STATIC ${libm65_FSRCS} ${libm65_CSRCS} ${libm65_CXXSRCS})
-target_link_libraries (m65impl Qt5::Core)
+target_link_libraries (m65impl wsjt_fort wsjt_cxx Qt5::Core)
 
 add_executable (m65 m65.f90 m65a.f90)
 target_link_libraries (m65 m65impl ${FFTW3_LIBRARIES})