diff --git a/code/ryzom/client/src/login_patch.cpp b/code/ryzom/client/src/login_patch.cpp
index 4489f11bb..4c665da3d 100644
--- a/code/ryzom/client/src/login_patch.cpp
+++ b/code/ryzom/client/src/login_patch.cpp
@@ -933,7 +933,7 @@ void CPatchManager::createBatchFile(CProductDescriptionForClient &descFile, bool
 		if (wantRyzomRestart)
 		{
 			// wait until client not in memory anymore
-			contentSuffix += toString("until ! pgrep %s > /dev/null; do sleep 1; done\n", CFile::getFilename(RyzomFilename).c_str());
+			contentSuffix += toString("until ! pgrep \"%s\" > /dev/null; do sleep 1; done\n", CFile::getFilename(RyzomFilename).c_str());
 		}
 
 		// launch upgrade script if present (it'll execute additional steps like moving or deleting files)
diff --git a/code/ryzom/tools/client/ryzom_installer/src/configfile.cpp b/code/ryzom/tools/client/ryzom_installer/src/configfile.cpp
index b09fa4e44..d771aad67 100644
--- a/code/ryzom/tools/client/ryzom_installer/src/configfile.cpp
+++ b/code/ryzom/tools/client/ryzom_installer/src/configfile.cpp
@@ -983,7 +983,7 @@ OperationStep CConfigFile::getInstallNextStep() const
 		case -1: return LaunchInstalledInstaller;
 
 		// continue only if 0 and launched Installer is the installed one
-		default: if (getInstallerCurrentDirPath() != getInstallerInstalledFilePath() && QFile::exists(getInstallerInstalledFilePath())) return LaunchInstalledInstaller;
+		default: if (getInstallerCurrentFilePath() != getInstallerInstalledFilePath() && QFile::exists(getInstallerInstalledFilePath())) return LaunchInstalledInstaller;
 	}
 
 	// no default profile
diff --git a/code/ryzom/tools/client/ryzom_installer/src/main.cpp b/code/ryzom/tools/client/ryzom_installer/src/main.cpp
index 5e0bea7a9..df12afbe1 100644
--- a/code/ryzom/tools/client/ryzom_installer/src/main.cpp
+++ b/code/ryzom/tools/client/ryzom_installer/src/main.cpp
@@ -256,14 +256,14 @@ int main(int argc, char *argv[])
 		{
 #ifndef _DEBUG
 			// restart more recent installed Installer version
-			if (QProcess::startDetached(config.getInstallerInstalledFilePath(), QApplication::arguments())) return 0;
+			if (QProcess::startDetached(config.getInstallerInstalledFilePath())) return 0;
 #endif
 		}
 		else if (step == Done)
 		{
 #if defined(Q_OS_WIN) && !defined(_DEBUG)
 			// restart Installer, so it could be copied in TEMP and allowed to update itself
-			if (QProcess::startDetached(QApplication::applicationFilePath(), QApplication::arguments())) return 0;
+			if (QProcess::startDetached(QApplication::applicationFilePath())) return 0;
 #endif
 		}
 	}