diff --git a/src/frontend/Makefile.am b/src/frontend/Makefile.am
index e0d5af211..3b9028c91 100644
--- a/src/frontend/Makefile.am
+++ b/src/frontend/Makefile.am
@@ -79,8 +79,6 @@ libfte_a_SOURCES = \
 	outitf.h	\
 	parse.c		\
 	parse.h		\
-	plotcurv.c	\
-	plotcurv.h	\
 	points.c	\
 	points.h	\
 	postcoms.c	\
diff --git a/src/frontend/plotting/Makefile.am b/src/frontend/plotting/Makefile.am
index a048266b0..f2cbc6c14 100644
--- a/src/frontend/plotting/Makefile.am
+++ b/src/frontend/plotting/Makefile.am
@@ -17,6 +17,8 @@ libplotting_a_SOURCES = \
 	pvec.h		\
 	plot5.c		\
 	plot5.h		\
+	plotcurv.c	\
+	plotcurv.h	\
 	x11.c		\
 	x11.h		\
 	xgraph.c	\
diff --git a/src/frontend/plotcurv.c b/src/frontend/plotting/plotcurv.c
similarity index 100%
rename from src/frontend/plotcurv.c
rename to src/frontend/plotting/plotcurv.c
diff --git a/src/frontend/plotcurv.h b/src/frontend/plotting/plotcurv.h
similarity index 100%
rename from src/frontend/plotcurv.h
rename to src/frontend/plotting/plotcurv.h