diff --git a/g15composer.c b/g15composer.c
index ea0f753..b182edf 100644
--- a/g15composer.c
+++ b/g15composer.c
@@ -39,6 +39,8 @@
 #include "config.h"
 #endif
 
+#include "g15composer.lex.c"
+
 int
 yyerror (char *err)
 {
diff --git a/g15composer.lex.c b/g15composer.lex.c
index dfe76bc..4f1463f 100644
--- a/g15composer.lex.c
+++ b/g15composer.lex.c
@@ -56,6 +56,8 @@ typedef unsigned short int flex_uint16_t;
 typedef unsigned int flex_uint32_t;
 #endif /* ! C99 */
 
+#include "g15composer.tab.c"
+
 /* Limits of integral types. */
 #ifndef INT8_MIN
 #define INT8_MIN               (-128)