diff --git a/src/geom/GNUmakefile b/src/geom/GNUmakefile
index b9cd8e3d98..73d1ba7ac7 100644
--- a/src/geom/GNUmakefile
+++ b/src/geom/GNUmakefile
@@ -10,7 +10,7 @@
 
  HEADERS = geom.fh geomP.fh
 
- USES_BLAS = geom.F geom_input.F geom_print_ecce.F geom_hnd.F geom_3d.F geom_getsym.F
+ USES_BLAS = geom.F geom_input.F geom_print_ecce.F geom_hnd.F geom_3d.F geom_getsym.F geom_2d.F
 include ../config/makefile.h
 include ../config/makelib.h