diff --git a/examples/Makefile b/examples/Makefile
index 8d7d433..11b9c8c 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -4,7 +4,7 @@ default:
 
 include ../make.include
 
-EXAMPLE_LIBS = ${DSDPLIB} ${LAPACKBLAS}
+EXAMPLE_LIBS = ${DSDPLIB} ${LAPACKBLAS} -lm
 
 dsdp: exinfo clean
 	${MEX} -I${DSDPROOT}/include dsdp.c ${DSDPLIB};