diff --git a/libasn1compiler/Makefile.am b/libasn1compiler/Makefile.am
index 096fc2b..d13a8c0 100644
--- a/libasn1compiler/Makefile.am
+++ b/libasn1compiler/Makefile.am
@@ -1,9 +1,10 @@
 
 AM_CFLAGS = @ADD_CFLAGS@
 
-AM_CPPFLAGS =	\
-	-I$(top_srcdir)/libasn1parser	\
-	-I$(top_srcdir)/libasn1fix
+AM_CPPFLAGS =                       \
+    -I$(top_srcdir)/libasn1common   \
+    -I$(top_srcdir)/libasn1parser   \
+    -I$(top_srcdir)/libasn1fix
 
 noinst_LTLIBRARIES = libasn1compiler.la