diff --git a/dcapi/boinc/Makefile.am b/dcapi/boinc/Makefile.am
index 0c0691b56c..556ea387e6 100644
--- a/dcapi/boinc/Makefile.am
+++ b/dcapi/boinc/Makefile.am
@@ -26,7 +26,7 @@ libdc_boinc_la_LIBADD = \
 libdc_boinc_la_CPPFLAGS = $(AM_CPPFLAGS) $(BOINC_SERVER_CPPFLAGS)
 
 libdc_client_boinc_la_SOURCES = \
-		client.c
+		client.C
 libdc_client_boinc_la_LIBADD = \
 		$(BOINC_CLIENT_LIBS)
 libdc_client_boinc_la_CPPFLAGS = $(AM_CPPFLAGS) $(BOINC_CPPFLAGS)
diff --git a/dcapi/boinc/client.c b/dcapi/boinc/client.C
similarity index 100%
rename from dcapi/boinc/client.c
rename to dcapi/boinc/client.C