1 files changed, 1 insertions, 1 deletions

diff --git a/src/Makefile b/src/Makefile
index 9699e4c..786a962 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -10,7 +10,7 @@ mapcoords: mapcoords.c mystdlib.c
         @$(CC) -o ../bin/mapcoords mapcoords.c mystdlib.c
 
 convertcoords: convertcoords.c
-        @$(CC) -o ../bin/convertcoords convertcoords.c
+        @$(CC) -o ../bin/convertcoords convertcoords.c -lm
 
 clean:
         @rm -f ../bin/{decompress,extractblocks,mapcoords,convertcoords}