diff --git a/bin/Makefile b/bin/Makefile
index 8d1e733a..aec64c29 100644
--- a/bin/Makefile
+++ b/bin/Makefile
@@ -30,7 +30,9 @@ PG_CONFIG = pg_config
 PGXS := $(shell $(PG_CONFIG) --pgxs)
 include $(PGXS)
 
-# remove dependency to libxml2 and libxslt
+# remove dependency on libxml2, libxslt, and libpam.
+# XXX: find a better way to make sure we are linking with libraries
+# from pg_config which we actually need.
 LIBS := $(filter-out -lxml2, $(LIBS))
 LIBS := $(filter-out -lxslt, $(LIBS))
-
+LIBS := $(filter-out -lpam, $(LIBS))
diff --git a/lib/Makefile b/lib/Makefile
index c9178c20..3d817acc 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -35,9 +35,12 @@ USE_PGXS = 1
 PGXS := $(shell $(PG_CONFIG) --pgxs)
 include $(PGXS)
 
-# remove dependency to libxml2 and libxslt
+# remove dependency on libxml2, libxslt, and libpam.
+# XXX: find a better way to make sure we are linking with libraries
+# from pg_config which we actually need.
 LIBS := $(filter-out -lxml2, $(LIBS))
 LIBS := $(filter-out -lxslt, $(LIBS))
+LIBS := $(filter-out -lpam, $(LIBS))
 
 pg_repack.sql: pg_repack.sql.in
 	echo "BEGIN;\n" > $@; \