diff --git a/src/libsync/owncloudpropagator.cpp b/src/libsync/owncloudpropagator.cpp
index e72f007ca..c123adf7c 100644
--- a/src/libsync/owncloudpropagator.cpp
+++ b/src/libsync/owncloudpropagator.cpp
@@ -47,7 +47,7 @@ qint64 criticalFreeSpaceLimit()
     qint64 value = 50 * 1000 * 1000LL;
 
     static bool hasEnv = false;
-    static qint64 env = qgetenv("OWNCLOUD_CRITICAL_FREE_SPACE").toLongLong(&hasEnv);
+    static qint64 env = qgetenv("OWNCLOUD_CRITICAL_FREE_SPACE_BYTES").toLongLong(&hasEnv);
     if (hasEnv) {
         value = env;
     }
@@ -60,7 +60,7 @@ qint64 freeSpaceLimit()
     qint64 value = 250 * 1000 * 1000LL;
 
     static bool hasEnv = false;
-    static qint64 env = qgetenv("OWNCLOUD_FREE_SPACE").toLongLong(&hasEnv);
+    static qint64 env = qgetenv("OWNCLOUD_FREE_SPACE_BYTES").toLongLong(&hasEnv);
     if (hasEnv) {
         value = env;
     }