diff --git a/completions/dpkg b/completions/dpkg
index d14e5e3e..7ecad5f9 100644
--- a/completions/dpkg
+++ b/completions/dpkg
@@ -8,11 +8,11 @@ _comp_dpkg_installed_packages()
 } || {
 _comp_dpkg_installed_packages()
 {
-    command grep -A 1 "Package: $1" /var/lib/dpkg/status | \
+    command grep -A 1 "Package: $1" /var/lib/dpkg/status 2>/dev/null | \
         command grep -B 1 -Ee "ok installed|half-installed|unpacked| \
             half-configured" \
             -Ee "^Essential: yes" | \
-        command grep "Package: $1" | cut -d\  -f2
+        command grep "Package: $1" 2>/dev/null | cut -d\  -f2
 }
 }
 
@@ -24,11 +24,11 @@ _comp_dpkg_purgeable_packages()
 } || {
 _comp_dpkg_purgeable_packages()
 {
-    command grep -A 1 "Package: $1" /var/lib/dpkg/status | \
+    command grep -A 1 "Package: $1" /var/lib/dpkg/status 2>/dev/null | \
         command grep -B 1 -Ee "ok installed|half-installed|unpacked| \
             half-configured|config-files" \
             -Ee "^Essential: yes" | \
-        command grep "Package: $1" | cut -d\  -f2
+        command grep "Package: $1" 2>/dev/null | cut -d\  -f2
 }
 }