--- a/CMakeLists.txt	2020-09-08 10:36:55.770304108 +0200
+++ b/CMakeLists.txt	2020-09-08 10:37:28.346406308 +0200
@@ -1193,7 +1193,7 @@
   if (OpenMP_C_FLAGS)
     set_target_properties (wsjt_fort_omp
       PROPERTIES
-      COMPILE_FLAGS "${OpenMP_C_FLAGS}"
+      COMPILE_FLAGS "${OpenMP_Fortran_FLAGS}"
       )
   endif ()
   set_target_properties (wsjt_fort_omp
@@ -1260,7 +1260,7 @@
     if (OpenMP_C_FLAGS)
       set_target_properties (jt9
         PROPERTIES
-        COMPILE_FLAGS "${OpenMP_C_FLAGS}"
+	COMPILE_FLAGS "${OpenMP_Fortran_FLAGS}"
         LINK_FLAGS "${OpenMP_C_FLAGS}"
         )
     endif ()