tests/Makefile.am | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tests/Makefile.am b/tests/Makefile.am
index fb7aa7e..4d752e1 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -13,7 +13,8 @@ DEPS =						\
 
 
 LDADDS =					\
-	$(top_builddir)/src/libgdiplus.la
+	$(top_builddir)/src/libgdiplus.la \
+	-lm
 
 noinst_PROGRAMS =			\
 	testgdi testbits testclip testreversepath