diff --git a/ruby/Makefile.am b/ruby/Makefile.am
index 80f1948..3c237d9 100644
--- a/ruby/Makefile.am
+++ b/ruby/Makefile.am
@@ -12,9 +12,11 @@ cucul_la_LDFLAGS = -module -avoid-version -shared -L$(RUBY_LIBDIR) -l$(RUBY_SO_N
 cucul_la_LIBADD = ../cucul/libcucul.la
 
 EXTRA_DIST = cucul-canvas.h \
-	     cucul-canvas.h \
-	     common.h \
-	     test.rb \
+             cucul-canvas.h \
+             common.h \
+             test.rb \
+             t/tc_canvas.rb \
+             t/tc_font.rb \
              t/tc_frame.rb \
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