diff --git a/django/contrib/gis/gdal/libgdal.py b/django/contrib/gis/gdal/libgdal.py
index 78a719a940..c1bb45c742 100644
--- a/django/contrib/gis/gdal/libgdal.py
+++ b/django/contrib/gis/gdal/libgdal.py
@@ -17,7 +17,7 @@ elif os.name == 'nt':
     lib_names = ['gdal15']
 elif os.name == 'posix':
     # *NIX library names.
-    lib_names = ['gdal', 'gdal1.5.0']
+    lib_names = ['gdal', 'GDAL', 'gdal1.6.0', 'gdal1.5.0', 'gdal1.4.0']
 else:
     raise OGRException('Unsupported OS "%s"' % os.name)
 
diff --git a/django/contrib/gis/geos/libgeos.py b/django/contrib/gis/geos/libgeos.py
index 840bd7df5d..c8e938cb00 100644
--- a/django/contrib/gis/geos/libgeos.py
+++ b/django/contrib/gis/geos/libgeos.py
@@ -33,7 +33,7 @@ elif os.name == 'nt':
     lib_names = ['libgeos_c-1']
 elif os.name == 'posix':
     # *NIX libraries
-    lib_names = ['geos_c']
+    lib_names = ['geos_c', 'GEOS']
 else:
     raise ImportError('Unsupported OS "%s"' % os.name)