diff --git a/Changelog.md b/Changelog.md
index e88380ed4..5afe7603c 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,5 +1,12 @@
+v0.5.2 (2020-1-11)
+------------------
+- Fixed: Crash when checking whether a LibProc returns while no FrontEnd is loaded.
+- Fixed: Crash when re-decoding while no FrontEnd is loaded.
+- Fixed: Whitespace issue in log output.
+- Fixed: Attempt to load 8 bit executables even though Boomerang does not support them.
+
 v0.5.1 (2019-10-11)
------------------------
+-------------------
 - Fixed: Possible crash when replacing Phi by Assign.
 - Fixed: Possible crash when analyzing binaries with a large number of debug information on Windows.
 - Fixed: Wrong decompilation of binaries containing a `bswap` instruction.
diff --git a/src/boomerang-plugins/decoder/csx86/CapstoneX86Decoder.cpp b/src/boomerang-plugins/decoder/csx86/CapstoneX86Decoder.cpp
index 8c0f51b21..deb16515c 100644
--- a/src/boomerang-plugins/decoder/csx86/CapstoneX86Decoder.cpp
+++ b/src/boomerang-plugins/decoder/csx86/CapstoneX86Decoder.cpp
@@ -153,7 +153,7 @@ bool CapstoneX86Decoder::initialize(Project *project)
     case 16: cs::cs_option(m_handle, cs::CS_OPT_MODE, cs::CS_MODE_16); break;
     case 32: cs::cs_option(m_handle, cs::CS_OPT_MODE, cs::CS_MODE_32); break;
     case 64: cs::cs_option(m_handle, cs::CS_OPT_MODE, cs::CS_MODE_64); break;
-    default: break;
+    default: return false;
     }
 
     return true;
diff --git a/src/boomerang-plugins/loader/pe/Win32BinaryLoader.cpp b/src/boomerang-plugins/loader/pe/Win32BinaryLoader.cpp
index 3565ba2aa..bdabdf128 100644
--- a/src/boomerang-plugins/loader/pe/Win32BinaryLoader.cpp
+++ b/src/boomerang-plugins/loader/pe/Win32BinaryLoader.cpp
@@ -100,6 +100,8 @@ void Win32BinaryLoader::initialize(BinaryFile *file, BinarySymbolTable *symbols)
     unload();
     m_binaryImage = file->getImage();
     m_symbols     = symbols;
+
+    file->setBitness(32);
 }
 
 
diff --git a/src/boomerang/db/Prog.cpp b/src/boomerang/db/Prog.cpp
index 4454b386d..fbeba26cf 100644
--- a/src/boomerang/db/Prog.cpp
+++ b/src/boomerang/db/Prog.cpp
@@ -320,12 +320,20 @@ bool Prog::isWin32() const
 
 QString Prog::getRegNameByNum(RegNum regNum) const
 {
+    if (!m_fe || !m_fe->getDecoder()) {
+        return "";
+    }
+
     return m_fe->getDecoder()->getRegNameByNum(regNum);
 }
 
 
 int Prog::getRegSizeByNum(RegNum regNum) const
 {
+    if (!m_fe || !m_fe->getDecoder()) {
+        return 0;
+    }
+
     return m_fe->getDecoder()->getRegSizeByNum(regNum);
 }
 
@@ -635,7 +643,7 @@ bool Prog::decodeFragment(UserProc *proc, Address a)
 
 bool Prog::reDecode(UserProc *proc)
 {
-    if (!proc) {
+    if (!proc || !m_fe) {
         return false;
     }
 
diff --git a/src/boomerang/db/proc/LibProc.cpp b/src/boomerang/db/proc/LibProc.cpp
index 950120b8d..ac0f042dc 100644
--- a/src/boomerang/db/proc/LibProc.cpp
+++ b/src/boomerang/db/proc/LibProc.cpp
@@ -36,6 +36,10 @@ bool LibProc::isLib() const
 
 bool LibProc::isNoReturn() const
 {
+    if (!m_prog->getFrontEnd()) {
+        return false;
+    }
+
     return m_prog->getFrontEnd()->isNoReturnCallDest(this->getName()) || m_signature->isNoReturn();
 }
 
diff --git a/src/boomerang/util/log/Log.cpp b/src/boomerang/util/log/Log.cpp
index 9b33fb5c6..b0f219e44 100644
--- a/src/boomerang/util/log/Log.cpp
+++ b/src/boomerang/util/log/Log.cpp
@@ -152,7 +152,7 @@ void Log::writeLogHeader()
     logDirect(LogLevel::Message, __FILE__, __LINE__, "This is Boomerang " BOOMERANG_VERSION);
     logDirect(LogLevel::Message, __FILE__, __LINE__, "Log initialized.");
     logDirect(LogLevel::Message, __FILE__, __LINE__,
-              "Log level is '" + levelToString(getLogLevel()) + "'.");
+              "Log level is '" + levelToString(getLogLevel()).trimmed() + "'.");
 }