diff --git a/app/src/cc/arduino/contributions/libraries/ui/LibraryInstaller.java b/app/src/cc/arduino/contributions/libraries/ui/LibraryInstaller.java
index d00677039..bd966a23d 100644
--- a/app/src/cc/arduino/contributions/libraries/ui/LibraryInstaller.java
+++ b/app/src/cc/arduino/contributions/libraries/ui/LibraryInstaller.java
@@ -134,7 +134,7 @@ public class LibraryInstaller {
     if (replacedLib != null && !replacedLib.isReadOnly()) {
       remove(replacedLib);
     }
-    File destFolder = new File(libsFolder, lib.getName());
+    File destFolder = new File(libsFolder, lib.getName().replaceAll(" ", "_"));
     tmpFolder.renameTo(destFolder);
     progress.stepDone();