diff --git a/CMakeLists.txt b/CMakeLists.txt
index f69f0f66d..cb4958df3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -36,6 +36,7 @@ source_group(apps\\openmw\\mwinput FILES ${GAMEINPUT} ${GAMEINPUT_HEADER})
 
 set(GAMESCRIPT
     apps/openmw/mwscript/scriptmanager.cpp
+    apps/openmw/mwscript/compilercontext.cpp
     apps/openmw/mwscript/interpretercontext.cpp
     apps/openmw/mwscript/cellextensions.cpp
     apps/openmw/mwscript/extensions.cpp
diff --git a/apps/openmw/engine.cpp b/apps/openmw/engine.cpp
index a757d26d3..e93bd9587 100644
--- a/apps/openmw/engine.cpp
+++ b/apps/openmw/engine.cpp
@@ -180,7 +180,8 @@ void OMW::Engine::go()
 
     MWScript::registerExtensions (mExtensions);
 
-    mScriptContext = new MWScript::CompilerContext (MWScript::CompilerContext::Type_Full);
+    mScriptContext = new MWScript::CompilerContext (MWScript::CompilerContext::Type_Full,
+        mEnvironment);
     mScriptContext->setExtensions (&mExtensions);
 
     mScriptManager = new MWScript::ScriptManager (mEnvironment.mWorld->getStore(), mVerboseScripts,
diff --git a/apps/openmw/mwscript/compilercontext.cpp b/apps/openmw/mwscript/compilercontext.cpp
new file mode 100644
index 000000000..bcd88b620
--- /dev/null
+++ b/apps/openmw/mwscript/compilercontext.cpp
@@ -0,0 +1,26 @@
+
+#include "compilercontext.hpp"
+
+#include "../mwworld/environment.hpp"
+#include "../mwworld/world.hpp"
+
+namespace MWScript
+{
+    CompilerContext::CompilerContext (Type type, const MWWorld::Environment& environment)
+    : mType (type), mEnvironment (environment)
+    {}
+
+    bool CompilerContext::canDeclareLocals() const
+    {
+        return mType==Type_Full;
+    }   
+    
+    char CompilerContext::getGlobalType (const std::string& name) const
+    {
+        if (const ESM::Global *global = mEnvironment.mWorld->getStore().globals.find (name))
+            return global->type;
+
+        return ' ';
+    }    
+}
+
diff --git a/apps/openmw/mwscript/compilercontext.hpp b/apps/openmw/mwscript/compilercontext.hpp
index de177376d..41d5f314e 100644
--- a/apps/openmw/mwscript/compilercontext.hpp
+++ b/apps/openmw/mwscript/compilercontext.hpp
@@ -3,6 +3,11 @@
 
 #include <components/compiler/context.hpp>
 
+namespace MWWorld
+{
+    class Environment;
+}
+
 namespace MWScript
 {
     class CompilerContext : public Compiler::Context
@@ -19,19 +24,17 @@ namespace MWScript
         private:
         
             Type mType;
+            const MWWorld::Environment& mEnvironment;
     
         public:
         
-            CompilerContext (Type type) : mType (type) {}
+            CompilerContext (Type type, const MWWorld::Environment& environment);
         
-            // Is the compiler allowed to declare local variables?
-            virtual bool canDeclareLocals() const
-            {
-                return mType==Type_Full;
-            }    
+            /// Is the compiler allowed to declare local variables?
+            virtual bool canDeclareLocals() const;  
             
-            virtual char getGlobalType (const std::string& name) const { return ' '; }
-            ///< 'l: long, 's': short, 'f': float, ' ': does not exist.              
+            /// 'l: long, 's': short, 'f': float, ' ': does not exist.              
+            virtual char getGlobalType (const std::string& name) const;
     };
 }
 
diff --git a/components/esm/loadglob.hpp b/components/esm/loadglob.hpp
index ca1675097..9de3e1a46 100644
--- a/components/esm/loadglob.hpp
+++ b/components/esm/loadglob.hpp
@@ -11,7 +11,7 @@ namespace ESM {
 
 struct Global
 {
-  float value;
+  unsigned value;
   VarType type;
 
   void load(ESMReader &esm)
@@ -24,8 +24,7 @@ struct Global
     else esm.fail("Illegal global variable type " + tmp);
     type = t;
 
-    // The value looks like a float in many cases, and like an integer
-    // in others (for the s type at least.) Figure it out.
+    // Note: Both floats and longs are represented as floats.
     esm.getHNT(value, "FLTV");
   }
 };