diff --git a/Makefile b/Makefile
index 08de983329616f18d2cdb28f6619fe95fd652454..52f1312bb2d4edb863b99b8e47de57270e64080d 100644
--- a/Makefile
+++ b/Makefile
@@ -26,7 +26,7 @@ CXX_RELEASE_FLAGS=-O3
 CXX_DEFAULT_FLAGS=-c -Wall -Wextra -std=c++0x
 LDFLAGS=-Wall -lomniORB4 -lomniDynamic4 -lCOS4 -lomnithread -ltango -llog4tango \
 	-lsoci_core -lsoci_mysql -lboost_system -lboost_thread -lboost_filesystem \
-	-lboost_date_time-mt -lprotobuf -lssl
+	-lboost_date_time -lprotobuf -lssl
 INC_PARM=$(foreach d, $(INC_DIR), -I$d)
 LIB_PARM=$(foreach d, $(LIB_DIR), -L$d)
 PROTOC :=/usr/local/protobuf/bin/protoc
diff --git a/src/PlainSession.h b/src/PlainSession.h
index 88f4431079b539cbee62204c39a50a734da0d58f..f069f6d357a778a5816d2defce2a788101a7ba3e 100644
--- a/src/PlainSession.h
+++ b/src/PlainSession.h
@@ -23,7 +23,7 @@ protected:
     virtual ~PlainSession();
 
     class Deleter;
-    friend Deleter;
+    friend class Deleter;
     class Deleter
     {
 	public: