diff --git a/artsc/artsc-config.in b/artsc/artsc-config.in
index 583fd1d..822b6b8 100755
--- a/artsc/artsc-config.in
+++ b/artsc/artsc-config.in
@@ -30,7 +30,7 @@ do
 	  flags="$flags -L$libdir $libdl -lartsc @USE_THREADS@ @LIBPTHREAD@ @GLIB_LDFLAGS@ @GLIB_LIBADD@"
 	  ;;
     --cflags)
-	  flags="$flags -I$includedir/artsc @GLIB_CFLAGS@"
+	  flags="$flags -I$includedir @GLIB_CFLAGS@"
 	  ;;
     --version)
 	  echo 0.9.5