diff --git a/usrguide/Makefile b/usrguide/Makefile
index 5c4b4414ccbee9f4f0092f4bb749437bf3bc4edc..3cfe538634cfc5e8e51313fd335462340d447dde 100644
--- a/usrguide/Makefile
+++ b/usrguide/Makefile
@@ -57,7 +57,7 @@ clean:
 	rm -f $(TITAN_PDFS)
 
 apiguide/Apiguide.pdf: apiguide/*.adoc apiguide/images/*
-	$(PDF_GEN_CALL) -o $@ apiguide/README.adoc
+	$(PDF_GEN_CALL) apiguide/Apiguide.adoc
 
 userguide/UserGuide.pdf: userguide/*.adoc userguide/images/*
 	$(PDF_GEN_CALL) userguide/UserGuide.adoc
diff --git a/usrguide/apiguide/README.adoc b/usrguide/apiguide/Apiguide.adoc
similarity index 100%
rename from usrguide/apiguide/README.adoc
rename to usrguide/apiguide/Apiguide.adoc