diff --git a/iped-engine/src/main/java/iped/engine/util/CLibrary.java b/iped-engine/src/main/java/iped/engine/util/CLibrary.java
index d8a7cc5039..4255d050b2 100644
--- a/iped-engine/src/main/java/iped/engine/util/CLibrary.java
+++ b/iped-engine/src/main/java/iped/engine/util/CLibrary.java
@@ -5,7 +5,9 @@
 public interface CLibrary extends Library {
 
     int _putenv(String value);
-    
+
     int putenv(String value);
 
+    void setenv(String name, String value, boolean overwrite);
+
 }
diff --git a/iped-engine/src/main/java/iped/engine/util/Util.java b/iped-engine/src/main/java/iped/engine/util/Util.java
index 45aba656f2..b489e11a9a 100644
--- a/iped-engine/src/main/java/iped/engine/util/Util.java
+++ b/iped-engine/src/main/java/iped/engine/util/Util.java
@@ -485,7 +485,7 @@ public static void setEnvVar(String key, String value) {
             if (C_Library == null) {
                 C_Library = (CLibrary) Native.loadLibrary("c", CLibrary.class);
             }
-            C_Library.putenv(key + "=" + value);
+            C_Library.setenv(key, value, true);
         }
     }