diff --git a/test/Makefile.am b/test/Makefile.am
index c2393a9..57604b1 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -14,16 +14,16 @@ INCLUDES             = -I/usr/X11R6/include -I$(top_srcdir)/libltdl \
 bin_PROGRAMS         = imlib2 bumpmaptest imlib2_test polytest
 imlib2_SOURCES       = main.c
 imlib2_LDADD         = @DLLDFLAGS@ $(top_builddir)/libltdl/libltdlc.la \
-                        $(x_libs) -lttf -lImlib2
+                        $(x_libs) -lttf -lImlib2 -lm
 			
 bumpmaptest_SOURCES  = bmtest.c
 bumpmaptest_LDADD    = @DLLDFLAGS@ $(top_builddir)/libltdl/libltdlc.la \
-                        $(x_libs) -lttf -lImlib2
+                        $(x_libs) -lttf -lImlib2 -lm
 
 imlib2_test_SOURCES  = imlib2_test.c
 imlib2_test_LDADD    = @DLLDFLAGS@ $(top_builddir)/libltdl/libltdlc.la \
-                        $(x_libs) -lttf -lImlib2
+                        $(x_libs) -lttf -lImlib2 -lm
 
 polytest_SOURCES     = polytest.c
 polytest_LDADD       = @DLLDFLAGS@ $(top_builddir)/libltdl/libltdlc.la \
-                        $(x_libs) -lttf -lImlib2
+                        $(x_libs) -lttf -lImlib2 -lm