diff --git a/Makefile b/Makefile
index 6e96cdb..d6a0e49 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ CC_OPENMP=gcc # no OpenMP in our clang
 CFLAGS_OPENMP=$(CFLAGS) -fopenmp
 
 TARGETS=approximate-pi linked-list mandelbrot threads circular-buffer structs ncurses-pong bit-fuckery bit-fuckery2 checkcheck multibrot bloom wo-lernen lua-foo binsearch test-inline-assembly uiowa-threads-example mtrace-test av-variance undefined-behaviour multibrot-openmp hello-openmp mandelbrot-openmp
-EXTRAS=mandelbrot.bmp multibrot.png test-inline-assembly.s tags mtrace-test.trace mtrace-test.txt
+EXTRAS=mandelbrot.bmp multibrot.png test-inline-assembly.s tags mtrace-test.trace mtrace-test.txt multibrot-openmp.png
 
 .PHONY: all
 all: $(TARGETS)
@@ -49,6 +49,9 @@ multibrot: multibrot.c
 multibrot.png: multibrot
 	./multibrot -j2
 
+multibrot-openmp.png: multibrot-openmp
+	time ./multibrot-openmp
+
 lua-foo: lua-foo.c
 	$(CC) $(CFLAGS) -o $@ $< -llua -lm