diff --git a/app/src/main/java/org/fdroid/fdroid/views/ManageReposActivity.java b/app/src/main/java/org/fdroid/fdroid/views/ManageReposActivity.java
index 88d290f18..5c2b99f66 100644
--- a/app/src/main/java/org/fdroid/fdroid/views/ManageReposActivity.java
+++ b/app/src/main/java/org/fdroid/fdroid/views/ManageReposActivity.java
@@ -282,6 +282,8 @@ public class ManageReposActivity extends ActionBarActivity {
                             }
 
                             String fp = fingerprintEditText.getText().toString();
+                            // remove any whitespace from fingerprint
+                            fp = fp.replaceAll("\\s", "");
 
                             switch (addRepoState) {
                                 case DOESNT_EXIST: