diff --git a/cmd/qpm/internal/cmd/install.go b/cmd/qpm/internal/cmd/install.go
index 094acf4..3e74639 100644
--- a/cmd/qpm/internal/cmd/install.go
+++ b/cmd/qpm/internal/cmd/install.go
@@ -57,7 +57,9 @@ func init() {
 			}
 
 			cfg := c
-			cfg.Shell = []string{shell}
+			if shell != "" {
+				cfg.Shell = []string{shell}
+			}
 
 			return qpm.Execute(cfg, s, qpm.Install, bufio.NewWriter(os.Stdout), bufio.NewWriter(os.Stderr))
 		},
diff --git a/cmd/qpm/internal/cmd/uninstall.go b/cmd/qpm/internal/cmd/uninstall.go
index 43bf11b..a14a17e 100644
--- a/cmd/qpm/internal/cmd/uninstall.go
+++ b/cmd/qpm/internal/cmd/uninstall.go
@@ -40,7 +40,9 @@ func init() {
 			}
 
 			cfg := c
-			cfg.Shell = []string{shell}
+			if shell != "" {
+				cfg.Shell = []string{shell}
+			}
 
 			return qpm.Execute(cfg, s, qpm.Uninstall, bufio.NewWriter(os.Stdout), bufio.NewWriter(os.Stderr))
 		},