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--- a/src/python/recoll/setup.py.in
+++ b/src/python/recoll/setup.py.in
@@ -7,7 +7,11 @@
 
 library_dirs = [os.path.join(top, 'lib')]
 libraries = ['recoll']
-runtime_library_dirs = [os.path.join(os.environ['libdir'], 'recoll')]
+runtime_library_dirs = []
+try:
+    runtime_library_dirs = [os.path.join(os.environ['libdir'], 'recoll')]
+except:
+    pass
 
 # Verify that the Recoll library was compiled with the PIC options
 localdefs = os.path.join(top, 'mk', 'localdefs')