diff --git a/radiant/build.cpp b/radiant/build.cpp
index 83f72e1e..cc6256e9 100644
--- a/radiant/build.cpp
+++ b/radiant/build.cpp
@@ -258,6 +258,11 @@ public:
 	void flush(){
 		if ( !m_buffer.empty() ) {
 			m_tool.push_back( new VariableString( m_buffer.c_str() ) );
+			// q3map2 ExtraResoucePath hack
+			if( strstr( m_buffer.c_str(), "[RadiantPath]q3map2.[ExecutableType]" ) != nullptr // is q3map2
+			 && strstr( m_buffer.c_str(), "[ExtraResoucePath]" ) == nullptr ){ // has no extra path right away (could have been added by this before)
+				m_tool.push_back( new VariableString( "[ExtraResoucePath]" ) );
+			}
 			m_buffer.clear();
 		}
 	}
diff --git a/radiant/qe3.cpp b/radiant/qe3.cpp
index d2c499c3..dcaed496 100644
--- a/radiant/qe3.cpp
+++ b/radiant/qe3.cpp
@@ -163,6 +163,8 @@ void bsp_init(){
 	build_set_variable( "ExecutableType", RADIANT_EXECUTABLE );
 	build_set_variable( "EnginePath", EnginePath_get() );
 	build_set_variable( "UserEnginePath", g_qeglobals.m_userEnginePath.c_str() );
+	build_set_variable( "ExtraResoucePath", string_empty( ExtraResourcePath_get() )? ""
+	                                       : StringOutputStream()( " -fs_pakpath ", makeQuoted( ExtraResourcePath_get() ) ) );
 	build_set_variable( "MonitorAddress", ( g_WatchBSP_Enabled ) ? RADIANT_MONITOR_ADDRESS : "" );
 	build_set_variable( "GameName", gamename_get() );