src/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index b14dc1e..d713b51 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -36,7 +36,7 @@ output.c \
 texts.h
 
 INCLUDES = @GTK_CFLAGS@
-LDADD = @GTK_LIBS@
+LDADD = @GTK_LIBS@ -lm
 CLEANFILES  = *~
 DISTCLEANFILES  = .deps/*.P