diff --git a/net-im/spectrum2/files/spectrum2-map.patch b/net-im/spectrum2/files/spectrum2-map.patch
new file mode 100644
index 0000000..6bba353
--- /dev/null
+++ b/net-im/spectrum2/files/spectrum2-map.patch
@@ -0,0 +1,15 @@
+ libtransport/Conversation.cpp | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/libtransport/Conversation.cpp b/libtransport/Conversation.cpp
+index 8f7c6246..092d6058 100644
+--- a/libtransport/Conversation.cpp
++++ b/libtransport/Conversation.cpp
+@@ -19,6 +19,7 @@
+  */
+ 
+ #include <iostream>
++#include <map>
+ #include "transport/Conversation.h"
+ #include "transport/ConversationManager.h"
+ #include "transport/User.h"
diff --git a/net-im/spectrum2/spectrum2-9999.ebuild b/net-im/spectrum2/spectrum2-9999.ebuild
index f96754c..6e2711e 100644
--- a/net-im/spectrum2/spectrum2-9999.ebuild
+++ b/net-im/spectrum2/spectrum2-9999.ebuild
@@ -66,6 +66,10 @@ DEPEND="
 	test? ( dev-util/cppunit )
 "
 
+PATCHES=(
+	"${FILESDIR}/${PN}-map.patch"
+)
+
 src_prepare() {
 	# Respect users LDFLAGS
 	sed -i -e "s/-Wl,-export-dynamic/& ${LDFLAGS}/" spectrum/src/CMakeLists.txt || die