diff --git a/Makefile b/Makefile
index c895decabff9b514d301094c43ed27a968b0c561..1f4960eab161deaba6f57ac902fd073b2119739a 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ include $(FSLCONFDIR)/default.mk
 
 PROJNAME = siena
 
-LIBS = -lss_32R -lm -lz
+LIBS = -lss_32R -lfslio -lniftiio -lznz -lm -lz
 
 XFILES = siena_diff