diff --git a/powermanga/src/Makefile.in b/powermanga/src/Makefile.in
index 8958142..199d486 100644
--- a/powermanga/src/Makefile.in
+++ b/powermanga/src/Makefile.in
@@ -226,7 +226,7 @@ score = powermanga.hi
 powermanga_SOURCES = $(SOURCES_MAIN) $(SOURCES_EXTRA)
 #powermanga_CXXFLAGS = -DPREFIX=\"$(prefix)\" -DSCOREFILE=\"$(scoredir)/$(score)\" @XLIB_CFLAGS@ @SDL_CFLAGS@
 powermanga_CFLAGS = -DPREFIX=\"$(prefix)\" -DSCOREFILE=\"$(scoredir)/$(score)\" @XLIB_CFLAGS@ @SDL_CFLAGS@
-powermanga_LDADD = @XLIB_LIBS@ @SDL_LIBS@
+powermanga_LDADD = @XLIB_LIBS@ @SDL_LIBS@ -lm
 @ASSEMBLY_FALSE@SOURCES_EXTRA = gfxroutines.c gfxroutines.h
 @ASSEMBLY_TRUE@SOURCES_EXTRA = assembler.S assembler_opt.S assembler.h
 SOURCES_MAIN = \