diff --git a/src/App.php b/src/App.php
index f41d486b5c..f48abcf9cb 100644
--- a/src/App.php
+++ b/src/App.php
@@ -219,7 +219,7 @@ class App
 		$this->logger   = $logger;
 		$this->config   = $config;
 		$this->profiler = $profiler;
-		$this->basePath = $this->config->getCache()->get('system', 'basepath');
+		$this->basePath = $this->config->get('system', 'basepath');
 
 		if (!Core\System::isDirectoryUsable($this->basePath, false)) {
 			throw new Exception('Basepath \'' . $this->basePath . '\' isn\'t usable.');
diff --git a/src/Core/Config/Adapter/JITConfigAdapter.php b/src/Core/Config/Adapter/JITConfigAdapter.php
index 95211777f3..5d06dc2b3e 100644
--- a/src/Core/Config/Adapter/JITConfigAdapter.php
+++ b/src/Core/Config/Adapter/JITConfigAdapter.php
@@ -57,13 +57,14 @@ class JITConfigAdapter extends AbstractDbaConfigAdapter implements IConfigAdapte
 			// manage array value
 			$value = (preg_match("|^a:[0-9]+:{.*}$|s", $config['v']) ? unserialize($config['v']) : $config['v']);
 
-			$this->in_db[$cat][$key] = true;
-			return $value;
-		} else {
-
-			$this->in_db[$cat][$key] = false;
-			return '!<unset>!';
+			if (isset($value) && $value !== '') {
+				$this->in_db[$cat][$key] = true;
+				return $value;
+			}
 		}
+
+		$this->in_db[$cat][$key] = false;
+		return '!<unset>!';
 	}
 
 	/**
diff --git a/src/Core/Config/Adapter/JITPConfigAdapter.php b/src/Core/Config/Adapter/JITPConfigAdapter.php
index c5f3a381ed..d3c38623b4 100644
--- a/src/Core/Config/Adapter/JITPConfigAdapter.php
+++ b/src/Core/Config/Adapter/JITPConfigAdapter.php
@@ -57,13 +57,14 @@ class JITPConfigAdapter extends AbstractDbaConfigAdapter implements IPConfigAdap
 			// manage array value
 			$value = (preg_match("|^a:[0-9]+:{.*}$|s", $pconfig['v']) ? unserialize($pconfig['v']) : $pconfig['v']);
 
-			$this->in_db[$uid][$cat][$key] = true;
-			return $value;
-		} else {
-
-			$this->in_db[$uid][$cat][$key] = false;
-			return '!<unset>!';
+			if (isset($value) && $value !== '') {
+				$this->in_db[$uid][$cat][$key] = true;
+				return $value;
+			}
 		}
+
+		$this->in_db[$uid][$cat][$key] = false;
+		return '!<unset>!';
 	}
 
 	/**
diff --git a/src/Core/Config/Adapter/PreloadConfigAdapter.php b/src/Core/Config/Adapter/PreloadConfigAdapter.php
index fa691a16d3..b1866a259d 100644
--- a/src/Core/Config/Adapter/PreloadConfigAdapter.php
+++ b/src/Core/Config/Adapter/PreloadConfigAdapter.php
@@ -55,11 +55,12 @@ class PreloadConfigAdapter extends AbstractDbaConfigAdapter implements IConfigAd
 			// manage array value
 			$value = (preg_match("|^a:[0-9]+:{.*}$|s", $config['v']) ? unserialize($config['v']) : $config['v']);
 
-			return $value;
-		} else {
-
-			return '!<unset>!';
+			if (isset($value) && $value !== '') {
+				return $value;
+			}
 		}
+
+		return '!<unset>!';
 	}
 
 	/**
diff --git a/src/Core/Config/Adapter/PreloadPConfigAdapter.php b/src/Core/Config/Adapter/PreloadPConfigAdapter.php
index e79a4a1e3c..857f2b1766 100644
--- a/src/Core/Config/Adapter/PreloadPConfigAdapter.php
+++ b/src/Core/Config/Adapter/PreloadPConfigAdapter.php
@@ -71,10 +71,11 @@ class PreloadPConfigAdapter extends AbstractDbaConfigAdapter implements IPConfig
 			// manage array value
 			$value = (preg_match("|^a:[0-9]+:{.*}$|s", $config['v']) ? unserialize($config['v']) : $config['v']);
 
-			return $value;
-		} else {
-			return '!<unset>!';
+			if (isset($value) && $value !== '') {
+				return $value;
+			}
 		}
+		return '!<unset>!';
 	}
 
 	/**
diff --git a/src/Core/Worker.php b/src/Core/Worker.php
index dff60e9fa5..4007a7923c 100644
--- a/src/Core/Worker.php
+++ b/src/Core/Worker.php
@@ -439,7 +439,7 @@ class Worker
 
 		Logger::log("Process ".$mypid." - Prio ".$queue["priority"]." - ID ".$queue["id"].": ".$funcname." - done in ".number_format($duration, 4)." seconds. Process PID: ".$new_process_id);
 
-		$a->getProfiler()->saveLog("ID " . $queue["id"] . ": " . $funcname);
+		$a->getProfiler()->saveLog($a->getLogger(), "ID " . $queue["id"] . ": " . $funcname);
 
 		$cooldown = Config::get("system", "worker_cooldown", 0);