diff --git a/Imakefile b/Imakefile
index e64edeb5a..9ed51ef72 100644
--- a/Imakefile
+++ b/Imakefile
@@ -27,6 +27,7 @@ SRCS =	xr.c \
 	xrfiller.c \
 	xrgstate.c \
 	xrpath.c \
+	xrpen.c \
 	xrpolygon.c \
 	xrspline.c \
 	xrstate.c \
@@ -40,6 +41,7 @@ OBJS =	xr.o \
 	xrfiller.o \
 	xrgstate.o \
 	xrpath.o \
+	xrpen.o \
 	xrpolygon.o \
 	xrspline.o \
 	xrstate.o \
diff --git a/src/xrpen.c b/src/xrpen.c
index 6727cbadb..e5401901b 100644
--- a/src/xrpen.c
+++ b/src/xrpen.c
@@ -29,12 +29,14 @@ XrError
 XrPenInit(XrPen *pen, double radius)
 {
     /* XXX: NYI */
+    return XrErrorSuccess;
 }
 
 XrError
 XrPenInitCopy(XrPen *pen, XrPen *other)
 {
     /* XXX: NYI */
+    return XrErrorSuccess;
 }
 
 void
@@ -50,8 +52,9 @@ XrPenAddPointsForSlopes(XrPen *pen, XPointFixed *a, XPointFixed *b, XPointFixed
 }
 
 XrError
-XrPenStrokePoints(XrPen *pen, XPointDouble *pt, int num_pts, XrPolygon *polygon)
+XrPenStrokePoints(XrPen *pen, XPointFixed *pt, int num_pts, XrPolygon *polygon)
 {
     /* XXX: NYI */
+    return XrErrorSuccess;
 }
 
diff --git a/xrpen.c b/xrpen.c
index 6727cbadb..e5401901b 100644
--- a/xrpen.c
+++ b/xrpen.c
@@ -29,12 +29,14 @@ XrError
 XrPenInit(XrPen *pen, double radius)
 {
     /* XXX: NYI */
+    return XrErrorSuccess;
 }
 
 XrError
 XrPenInitCopy(XrPen *pen, XrPen *other)
 {
     /* XXX: NYI */
+    return XrErrorSuccess;
 }
 
 void
@@ -50,8 +52,9 @@ XrPenAddPointsForSlopes(XrPen *pen, XPointFixed *a, XPointFixed *b, XPointFixed
 }
 
 XrError
-XrPenStrokePoints(XrPen *pen, XPointDouble *pt, int num_pts, XrPolygon *polygon)
+XrPenStrokePoints(XrPen *pen, XPointFixed *pt, int num_pts, XrPolygon *polygon)
 {
     /* XXX: NYI */
+    return XrErrorSuccess;
 }