diff --git a/plugins/input/csv/build.py b/plugins/input/csv/build.py
index e2112c2aa..ae41bf6d1 100644
--- a/plugins/input/csv/build.py
+++ b/plugins/input/csv/build.py
@@ -17,6 +17,7 @@ plugin_sources = Split(
 
 libraries = []
 libraries.append('mapnik')
+libraries.append('boost_system%s' % env['BOOST_APPEND'])
 libraries.append(env['ICU_LIB_NAME'])
     
 TARGET = plugin_env.SharedLibrary(
diff --git a/plugins/input/gdal/build.py b/plugins/input/gdal/build.py
index 3866b2245..572ac2356 100644
--- a/plugins/input/gdal/build.py
+++ b/plugins/input/gdal/build.py
@@ -38,6 +38,7 @@ plugin_env['LIBS'] = [env['PLUGINS']['gdal']['lib']]
 
 # Link Library to Dependencies
 plugin_env['LIBS'].append('mapnik')
+plugin_env['LIBS'].append('boost_system%s' % env['BOOST_APPEND'])
 plugin_env['LIBS'].append(env['ICU_LIB_NAME'])
 
 if env['RUNTIME_LINK'] == 'static':
diff --git a/plugins/input/kismet/build.py b/plugins/input/kismet/build.py
index 2d03126f5..930be63a7 100644
--- a/plugins/input/kismet/build.py
+++ b/plugins/input/kismet/build.py
@@ -37,6 +37,7 @@ libraries = []
 # Link Library to Dependencies
 libraries.append('mapnik')
 libraries.append(env['ICU_LIB_NAME'])
+libraries.append('boost_system%s' % env['BOOST_APPEND'])
 if env['THREADING'] == 'multi':
     libraries.append('boost_thread%s' % env['BOOST_APPEND'])
 
diff --git a/plugins/input/occi/build.py b/plugins/input/occi/build.py
index 9c8b30a0b..62becff91 100644
--- a/plugins/input/occi/build.py
+++ b/plugins/input/occi/build.py
@@ -38,6 +38,7 @@ occi_src = Split(
 
 libraries = [ 'occi', 'ociei' ]
 libraries.append('mapnik')
+libraries.append('boost_system%s' % env['BOOST_APPEND'])
 libraries.append(env['ICU_LIB_NAME'])
 
 input_plugin = plugin_env.SharedLibrary('../occi', source=occi_src, SHLIBPREFIX='', SHLIBSUFFIX='.input', LIBS=libraries, LINKFLAGS=env['CUSTOM_LDFLAGS'])
diff --git a/plugins/input/postgis/build.py b/plugins/input/postgis/build.py
index c1d4a00a6..6987ef593 100644
--- a/plugins/input/postgis/build.py
+++ b/plugins/input/postgis/build.py
@@ -38,6 +38,7 @@ plugin_env['LIBS'] = ['pq']
 
 # Link Library to Dependencies
 plugin_env['LIBS'].append('mapnik')
+plugin_env['LIBS'].append('boost_system%s' % env['BOOST_APPEND'])
 plugin_env['LIBS'].append(env['ICU_LIB_NAME'])
 if env['THREADING'] == 'multi':
 	plugin_env['LIBS'].append('boost_thread%s' % env['BOOST_APPEND'])