Index: src/XFileArchive.cpp
--- src/XFileArchive.cpp.orig
+++ src/XFileArchive.cpp
@@ -521,6 +521,12 @@ long XFileArchive::onCmdExtractTo(FXObject*, FXSelecto
         return 0;
     }
 
+    // Change tar to gtar
+    if (compare(cmd, "tar ", 4) == 0)
+    {
+        cmd.prepend('g');
+    }
+
     // File selection dialog
     FileDialog browse(this, _("Select a Destination Folder"));
     const char* patterns[] =
@@ -720,6 +726,12 @@ long XFileArchive::onCmdExtract(FXObject*, FXSelector,
         return 0;
     }
 
+    // Change tar to gtar
+    if (compare(cmd, "tar ", 4) == 0)
+    {
+        cmd.prepend('g');
+    }
+
     FXString message = _("Extract archive to folder: ") + parentdir + "\n\n" +
                        _("Existing data will be overwritten...");
     MessageBox box(this, _("Extract Archive"), message, bigarchexticon, BOX_OK_CANCEL | DECOR_TITLE | DECOR_BORDER);
@@ -888,7 +900,7 @@ long XFileArchive::onCmdFileOpen(FXObject*, FXSelector
     tmppathname = tmpdir + FXPath::name(relpathname);
 
     // Extract command
-    FXString cmd = "tar -axf " + archpathname + " " + xf_quote(relpathname) + " -O > " + xf_quote(tmppathname);
+    FXString cmd = "gtar -axf " + archpathname + " " + xf_quote(relpathname) + " -O > " + xf_quote(tmppathname);
 
     // Wait cursor
     getApp()->beginWaitCursor();
@@ -1028,7 +1040,7 @@ long XFileArchive::onCmdFileOpenWith(FXObject*, FXSele
     tmppathname = tmpdir + FXPath::name(relpathname);
 
     // Extract command
-    FXString cmd = "tar -axf " + archpathname + " " + xf_quote(relpathname) + " -O > " + xf_quote(tmppathname);
+    FXString cmd = "gtar -axf " + archpathname + " " + xf_quote(relpathname) + " -O > " + xf_quote(tmppathname);
 
     // Wait cursor
     getApp()->beginWaitCursor();
@@ -1178,7 +1190,7 @@ long XFileArchive::onCmdFileExtract(FXObject*, FXSelec
         }
 
         // Extract command
-        FXString cmd = "tar -axf " + archpathname + " " + xf_quote(relpathname) + " -O > " +
+        FXString cmd = "gtar -axf " + archpathname + " " + xf_quote(relpathname) + " -O > " +
                        xf_quote(parentdir + PATHSEPSTRING + filename);
 
         // Run command to extract file to parent directory
@@ -1250,7 +1262,7 @@ long XFileArchive::onCmdFileExtractTo(FXObject*, FXSel
             }
 
             // Extract command
-            FXString cmd = "tar -axf " + archpathname + " " + xf_quote(relpathname) + " -O > " +
+            FXString cmd = "gtar -axf " + archpathname + " " + xf_quote(relpathname) + " -O > " +
                            xf_quote(dir + PATHSEPSTRING + filename);
 
             // Run command to extract file to directory
@@ -1396,7 +1408,7 @@ int XFileArchive::readArchive(void)
         || (ext1 == "tgz") || (ext1 == "tbz2") || (ext1 == "tbz") || (ext1 == "txz") || (ext1 == "taz") ||
         (ext1 == "tzst"))
     {
-        if (!xf_existcommand("tar"))
+        if (!xf_existcommand("gtar"))
         {
             list->clearItems();
             MessageBox::error(this, BOX_OK, _("Error"), _("Unarchive program %s was not found"), "tar");
@@ -1404,7 +1416,7 @@ int XFileArchive::readArchive(void)
         }
 
         errorflag = false;
-        cmd = "tar -atvf ";
+        cmd = "gtar -atvf ";
     }
     else if (ext1 == "tar")
     {