diff --git a/src/dlls/.gitignore b/src/dlls/.gitignore
index b42cbff..b17895e 100644
--- a/src/dlls/.gitignore
+++ b/src/dlls/.gitignore
@@ -1,5 +1,9 @@
+Release/
+Debug/
 msgs/
 opt.*/
 debug.*/
 *.o
-*.so
\ No newline at end of file
+*.so
+*.suo
+*.sdf
\ No newline at end of file
diff --git a/src/dlls/monster_config.cpp b/src/dlls/monster_config.cpp
index 7b1c757..2e520e1 100644
--- a/src/dlls/monster_config.cpp
+++ b/src/dlls/monster_config.cpp
@@ -433,6 +433,14 @@ void scan_monster_bsp(void)
 		// examine all keys
 		while (kv_pair != NULL)
 		{
+			// entities cannot be this big!
+			if (kvd_index >= MAX_KEYVALUES)
+			{
+				LOG_MESSAGE(PLID, "WARNING: can't process entity #%i - too many keyvalues", ent);
+				use_monstermod = false;
+				break;
+			}
+
 			if (strcmp(kv_pair->key, "classname") == 0)
 			{
 				// the entity we are trying to spawn could already exist within the game
diff --git a/src/dlls/monster_mm.vcxproj.filters b/src/dlls/monster_mm.vcxproj.filters
index 7d2721f..cc7fa73 100644
--- a/src/dlls/monster_mm.vcxproj.filters
+++ b/src/dlls/monster_mm.vcxproj.filters
@@ -177,6 +177,12 @@
     <ClCompile Include="zombie.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="ripent.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="music.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="activity.h">
@@ -266,5 +272,8 @@
     <ClInclude Include="weapons.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="ripent.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>
\ No newline at end of file