diff --git a/openpower/scripts/firmware-whitelist b/openpower/scripts/firmware-whitelist
index c28de75..e4e4bd2 100755
--- a/openpower/scripts/firmware-whitelist
+++ b/openpower/scripts/firmware-whitelist
@@ -2,13 +2,14 @@
 # Scan the /lib/firmware directory of the target and delete any firmware
 # binaries that are not in our whitelist
 
-# A whitelist of entire directories or specific binary files
-whitelist=(     'acenic'
-                'bnx2'
+# A whitelist of entire directories or specific binary files. The trailing
+# slash is required.
+whitelist=(     'acenic/'
+                'bnx2/'
                 'bnx2x/bnx2x-e2-7.12.30.0.fw'
-                'cxgb4'
-                'cxgb3'
-                'e100'
+                'cxgb4/'
+                'cxgb3/'
+                'e100/'
                 'radeon/CEDAR_rlc.bin'
                 'radeon/CEDAR_pfp.bin'
                 'radeon/CEDAR_smc.bin'