diff --git a/internal/rosa/make.go b/internal/rosa/make.go
index 0c5a4982..570c2ccd 100644
--- a/internal/rosa/make.go
+++ b/internal/rosa/make.go
@@ -171,7 +171,10 @@ func (attr *MakeHelper) script(name string) string {
 							s = "-" + s
 						}
 						if v[1] != "" {
-							s += "=" + v[1]
+							if v[0] != "" {
+								s += "="
+							}
+							s += v[1]
 						}
 						if !yield(s) {
 							return