diff --git a/Makefile b/Makefile
index 498ab38..90cbea7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 CC=gcc
 CFLAGS=-Wall -pedantic -g -DUNIX_HOST
-LIBS=#-lm
+LIBS=-lm
 
 TARGET	= picoc
 SRCS	= picoc.c table.c lex.c parse.c expression.c heap.c type.c variable.c clibrary.c library_unix.c platform.c platform_unix.c math_library.c
diff --git a/platform.h b/platform.h
index 9fa1eb9..23932cb 100644
--- a/platform.h
+++ b/platform.h
@@ -52,7 +52,7 @@
 # ifndef NO_FP
 #  include <math.h>
 #  define PICOC_MATH_LIBRARY
-#  define NEED_MATH_LIBRARY
+/*#  define NEED_MATH_LIBRARY*/
 #  undef BIG_ENDIAN
 #  if defined(__powerpc__) || defined(__hppa__) || defined(__sparc__)
 #   define BIG_ENDIAN