diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9de7ae93..c5edf93c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,7 +13,7 @@ project(colobot C CXX)
 set(COLOBOT_VERSION_CODENAME "Gold")
 set(COLOBOT_VERSION_MAJOR    0)
 set(COLOBOT_VERSION_MINOR    1)
-set(COLOBOT_VERSION_REVISION 7)
+set(COLOBOT_VERSION_REVISION 7b)
 
 # Used on official releases
 #set(COLOBOT_VERSION_RELEASE_CODENAME "-alpha")
diff --git a/src/app/main.cpp b/src/app/main.cpp
index de3f8423..88908f6f 100644
--- a/src/app/main.cpp
+++ b/src/app/main.cpp
@@ -44,6 +44,7 @@
 
 #include <memory>
 #include <vector>
+#include <boost/filesystem.hpp>
 
 /* Doxygen main page */
 
@@ -98,13 +99,19 @@ int main(int argc, char *argv[])
     systemUtils->Init();
 
     // Add file output to the logger
-    std::string logfile;
+    std::string logFileName;
     #if DEV_BUILD
-        logfile = "log.txt";
+        logFileName = "log.txt";
     #else
-        logfile = systemUtils->GetSaveDir() + "/log.txt";
+        boost::filesystem::create_directories(systemUtils->GetSaveDir());
+        logFileName = systemUtils->GetSaveDir() + "/log.txt";
     #endif
-    logger.AddOutput(fopen(logfile.c_str(), "w"));
+    FILE* logFile = fopen(logFileName.c_str(), "w");
+    if (logFile)
+        logger.AddOutput(logFile);
+    else
+        logger.Error("Failed to create log file, writing log to file disabled\n");
+
 
     // Workaround for character encoding in argv on Windows
     #if PLATFORM_WINDOWS