--- a/plugins/PxCone/Makefile.am	2022-07-20 18:25:01.390035710 +0200
+++ b/plugins/PxCone/Makefile.am	2022-07-20 18:25:43.261623399 +0200
@@ -7,7 +7,7 @@
 endif
 libPxConePlugin_la_CXXFLAGS = $(AM_CXXFLAGS) -I$(srcdir) -I$(srcdir)/../../include
 libPxConePlugin_la_SOURCES = pxcone.f PxConePlugin.cc
-libPxConePlugin_la_LIBADD = ../../src/libfastjet.la
+libPxConePlugin_la_LIBADD = ../../src/libfastjet.la -lgfortran
 
 EXTRA_DIST = makefile.static pxcone.h