diff --git a/.gitignore b/.gitignore
index 259148f..90bafce 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,3 +30,6 @@
 *.exe
 *.out
 *.app
+
+# Generated prototype for linking tests
+precice-prototype.h
diff --git a/Makefile b/Makefile
index e52ce89..caba66d 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,10 @@ F03 ?= gfortran
 all: precice
 
 precice: precice.f90
-	$(F03) -c $^
+	$(F03) -c -fimplicit-none $^
+
+prototype: precice.f90
+	$(F03) -fimplicit-none -fc-prototypes -fsyntax-only $^ -I../.. $(shell pkg-config --libs libprecice) > precice-prototype.h
 
 clean:
-	rm -f precice.mod precice.o
+	rm -f precice.mod precice.o precice-prototype.h
diff --git a/examples/solverdummy/Makefile b/examples/solverdummy/Makefile
index b2e39b5..8b13541 100644
--- a/examples/solverdummy/Makefile
+++ b/examples/solverdummy/Makefile
@@ -3,7 +3,7 @@ F03 ?= gfortran
 all: solverdummy
 
 solverdummy: solverdummy.f90
-	$(F03) -g $^ -o $@ -I../.. $(shell pkg-config --libs libprecice)
+	$(F03) -fimplicit-none -g $^ -o $@ -I../.. $(shell pkg-config --libs libprecice)
 
 clean:
 	rm -f solverdummy
diff --git a/precice.f90 b/precice.f90
index 0bd0390..0fd4ef0 100644
--- a/precice.f90
+++ b/precice.f90
@@ -103,7 +103,7 @@ subroutine precicef_requires_mesh_connectivity_for(meshName, required, meshNameL
       integer(kind=c_int), value :: meshNameLength
     end subroutine precicef_requires_mesh_connectivity_for
 
-    subroutine precicef_set_vertex(meshName, position, vertexID, meshNameLength) &
+    subroutine precicef_set_vertex(meshName, coordinates, id, meshNameLength) &
       &  bind(c, name='precicef_set_vertex_')
 
       use, intrinsic :: iso_c_binding