diff --git a/lib/Makefile.am b/lib/Makefile.am
index a2f24b0c..7224217f 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -94,4 +94,4 @@ libmu_la_LIBADD=			\
 	$(GMIME_LIBS)			\
 	$(GLIB_LIBS)
 
-EXTRA_DIST=mu-msg-crypto.c mu-msg-crypto.h
+EXTRA_DIST=mu-msg-crypto.c