diff --git a/cmd/podman/common/completion.go b/cmd/podman/common/completion.go
index ca886b137d..e46675733c 100644
--- a/cmd/podman/common/completion.go
+++ b/cmd/podman/common/completion.go
@@ -16,6 +16,7 @@ import (
 	"github.com/containers/common/pkg/config"
 	"github.com/containers/common/pkg/ssh"
 	"github.com/containers/image/v5/pkg/sysregistriesv2"
+	imageTypes "github.com/containers/image/v5/types"
 	"github.com/containers/podman/v5/cmd/podman/registry"
 	"github.com/containers/podman/v5/libpod/define"
 	"github.com/containers/podman/v5/libpod/events"
@@ -276,7 +277,9 @@ func getSecrets(cmd *cobra.Command, toComplete string, cType completeType) ([]st
 }
 
 func getRegistries() ([]string, cobra.ShellCompDirective) {
-	regs, err := sysregistriesv2.UnqualifiedSearchRegistries(nil)
+	sysCtx := &imageTypes.SystemContext{}
+	SetRegistriesConfPath(sysCtx)
+	regs, err := sysregistriesv2.UnqualifiedSearchRegistries(sysCtx)
 	if err != nil {
 		cobra.CompErrorln(err.Error())
 		return nil, cobra.ShellCompDirectiveNoFileComp
diff --git a/cmd/podman/common/registries.go b/cmd/podman/common/registries.go
new file mode 100644
index 0000000000..f444585f6c
--- /dev/null
+++ b/cmd/podman/common/registries.go
@@ -0,0 +1,24 @@
+package common
+
+import (
+	"os"
+
+	"github.com/containers/image/v5/types"
+)
+
+// SetRegistriesConfPath sets the registries.conf path for the specified context.
+// NOTE: this is a verbatim copy from c/common/libimage which we're not using
+// to prevent leaking c/storage into this file.  Maybe this should go into c/image?
+func SetRegistriesConfPath(systemContext *types.SystemContext) {
+	if systemContext.SystemRegistriesConfPath != "" {
+		return
+	}
+	if envOverride, ok := os.LookupEnv("CONTAINERS_REGISTRIES_CONF"); ok {
+		systemContext.SystemRegistriesConfPath = envOverride
+		return
+	}
+	if envOverride, ok := os.LookupEnv("REGISTRIES_CONFIG_PATH"); ok {
+		systemContext.SystemRegistriesConfPath = envOverride
+		return
+	}
+}
diff --git a/cmd/podman/login.go b/cmd/podman/login.go
index 5a3edb3369..fe63a4ba3a 100644
--- a/cmd/podman/login.go
+++ b/cmd/podman/login.go
@@ -98,24 +98,7 @@ func login(cmd *cobra.Command, args []string) error {
 	sysCtx := &types.SystemContext{
 		DockerInsecureSkipTLSVerify: skipTLS,
 	}
-	setRegistriesConfPath(sysCtx)
+	common.SetRegistriesConfPath(sysCtx)
 	loginOptions.GetLoginSet = cmd.Flag("get-login").Changed
 	return auth.Login(context.Background(), sysCtx, &loginOptions.LoginOptions, args)
 }
-
-// setRegistriesConfPath sets the registries.conf path for the specified context.
-// NOTE: this is a verbatim copy from c/common/libimage which we're not using
-// to prevent leaking c/storage into this file.  Maybe this should go into c/image?
-func setRegistriesConfPath(systemContext *types.SystemContext) {
-	if systemContext.SystemRegistriesConfPath != "" {
-		return
-	}
-	if envOverride, ok := os.LookupEnv("CONTAINERS_REGISTRIES_CONF"); ok {
-		systemContext.SystemRegistriesConfPath = envOverride
-		return
-	}
-	if envOverride, ok := os.LookupEnv("REGISTRIES_CONFIG_PATH"); ok {
-		systemContext.SystemRegistriesConfPath = envOverride
-		return
-	}
-}
diff --git a/cmd/podman/logout.go b/cmd/podman/logout.go
index 46a123f292..ef2dc17fe7 100644
--- a/cmd/podman/logout.go
+++ b/cmd/podman/logout.go
@@ -49,6 +49,6 @@ func init() {
 // Implementation of podman-logout.
 func logout(cmd *cobra.Command, args []string) error {
 	sysCtx := &types.SystemContext{}
-	setRegistriesConfPath(sysCtx)
+	common.SetRegistriesConfPath(sysCtx)
 	return auth.Logout(sysCtx, &logoutOptions, args)
 }
diff --git a/test/system/600-completion.bats b/test/system/600-completion.bats
index 1f300b0565..fd108e445b 100644
--- a/test/system/600-completion.bats
+++ b/test/system/600-completion.bats
@@ -168,10 +168,10 @@ function check_shell_completion() {
 
                 *REGISTRY*)
                     run_completion "$@" $cmd "${extra_args[@]}" ""
-                    ### FIXME how can we get the configured registries?
                     _check_completion_end NoFileComp
-                    ### FIXME this fails if no registries are configured
                     assert "${#lines[@]}" -gt 2 "$* $cmd: No REGISTRIES found in suggestions"
+                    # We can assume quay.io as we force our own CONTAINERS_REGISTRIES_CONF below.
+                    assert "${lines[0]}" == "quay.io" "unqualified-search-registries from registries.conf listed"
 
                     match=true
                     # resume
@@ -311,6 +311,11 @@ function _check_no_suggestions() {
     # create secret
     run_podman secret create $random_secret_name $secret_file
 
+    # create our own registries.conf so we know what registry is set
+    local CONTAINERS_REGISTRIES_CONF="$PODMAN_TMPDIR/registries.conf"
+    echo 'unqualified-search-registries = ["quay.io"]' > "$CONTAINERS_REGISTRIES_CONF"
+    export CONTAINERS_REGISTRIES_CONF
+
     # Called with no args -- start with 'podman --help'. check_shell_completion() will
     # recurse for any subcommands.
     check_shell_completion