diff --git a/src/zmq/f77_zmq_free.h b/src/zmq/f77_zmq_free.h
deleted file mode 120000
index ac5e33cd..00000000
--- a/src/zmq/f77_zmq_free.h
+++ /dev/null
@@ -1 +0,0 @@
-../../include/f77_zmq_free.h
\ No newline at end of file
diff --git a/src/zmq/f77_zmq_module.f90 b/src/zmq/f77_zmq_module.F90
similarity index 50%
rename from src/zmq/f77_zmq_module.f90
rename to src/zmq/f77_zmq_module.F90
index 1e4a5af3..9171f11c 100644
--- a/src/zmq/f77_zmq_module.f90
+++ b/src/zmq/f77_zmq_module.F90
@@ -1,4 +1,4 @@
 module f77_zmq
- include 'f77_zmq_free.h'
+#include "f77_zmq_free.h"
 end module