diff --git a/build/android/Android.mk b/build/android/Android.mk
index 96fe57e16..d0b2b823b 100755
--- a/build/android/Android.mk
+++ b/build/android/Android.mk
@@ -47,7 +47,7 @@ LOCAL_SRC_FILES := \
 	call_params.c \
 	chat.c \
 	chat_file_transfer.c \
-	conference.c \
+	conference.cc \
 	content.c \
 	ec-calibrator.c \
 	enum.c \
diff --git a/coreapi/Makefile.am b/coreapi/Makefile.am
index 02c7f442d..f1be7f86c 100644
--- a/coreapi/Makefile.am
+++ b/coreapi/Makefile.am
@@ -55,7 +55,7 @@ liblinphone_la_SOURCES=\
 	call_params.c \
 	chat.c \
 	chat_file_transfer.c \
-	conference.c \
+	conference.cc \
 	contactprovider.c contactprovider.h contact_providers_priv.h \
 	content.c \
 	dict.c \