diff --git a/runconfig/opts/parse.go b/runconfig/opts/parse.go
index 8f7baeb637..834f32d73d 100644
--- a/runconfig/opts/parse.go
+++ b/runconfig/opts/parse.go
@@ -8,12 +8,8 @@ import (
 func ConvertKVStringsToMap(values []string) map[string]string {
 	result := make(map[string]string, len(values))
 	for _, value := range values {
-		kv := strings.SplitN(value, "=", 2)
-		if len(kv) == 1 {
-			result[kv[0]] = ""
-		} else {
-			result[kv[0]] = kv[1]
-		}
+		k, v, _ := strings.Cut(value, "=")
+		result[k] = v
 	}
 
 	return result