diff --git a/diod/Makefile.am b/diod/Makefile.am
index 1a60e9b..554b9ab 100644
--- a/diod/Makefile.am
+++ b/diod/Makefile.am
@@ -3,7 +3,7 @@ AM_CFLAGS = @GCCWARN@
 AM_CPPFLAGS = \
 	-I$(top_srcdir)/libnpfs \
 	-I$(top_srcdir)/liblsd \
-	-I$(top_srcdir)//libdiod
+	-I$(top_srcdir)/libdiod
 
 sbin_PROGRAMS = diod