diff --git a/TinyOPDS.csproj b/TinyOPDS.csproj
index 66344df..1da3252 100644
--- a/TinyOPDS.csproj
+++ b/TinyOPDS.csproj
@@ -44,7 +44,7 @@
     <CodeAnalysisModuleSuppressionsFile>GlobalSuppressions.cs</CodeAnalysisModuleSuppressionsFile>
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSetDirectories>;C:\Program Files\Microsoft Visual Studio 10.0\Team Tools\Static Analysis Tools\\Rule Sets</CodeAnalysisRuleSetDirectories>
-    <CodeAnalysisIgnoreBuiltInRuleSets>true</CodeAnalysisIgnoreBuiltInRuleSets>
+    <CodeAnalysisIgnoreBuiltInRuleSets>false</CodeAnalysisIgnoreBuiltInRuleSets>
     <CodeAnalysisRuleDirectories>;C:\Program Files\Microsoft Visual Studio 10.0\Team Tools\Static Analysis Tools\FxCop\\Rules</CodeAnalysisRuleDirectories>
     <CodeAnalysisIgnoreBuiltInRules>true</CodeAnalysisIgnoreBuiltInRules>
     <RunCodeAnalysis>false</RunCodeAnalysis>
diff --git a/TinyOPDS/TinyOPDS.csproj b/TinyOPDS/TinyOPDS.csproj
index 6278090..7c36412 100644
--- a/TinyOPDS/TinyOPDS.csproj
+++ b/TinyOPDS/TinyOPDS.csproj
@@ -44,7 +44,7 @@
     <CodeAnalysisModuleSuppressionsFile>GlobalSuppressions.cs</CodeAnalysisModuleSuppressionsFile>
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSetDirectories>;C:\Program Files\Microsoft Visual Studio 10.0\Team Tools\Static Analysis Tools\\Rule Sets</CodeAnalysisRuleSetDirectories>
-    <CodeAnalysisIgnoreBuiltInRuleSets>true</CodeAnalysisIgnoreBuiltInRuleSets>
+    <CodeAnalysisIgnoreBuiltInRuleSets>false</CodeAnalysisIgnoreBuiltInRuleSets>
     <CodeAnalysisRuleDirectories>;C:\Program Files\Microsoft Visual Studio 10.0\Team Tools\Static Analysis Tools\FxCop\\Rules</CodeAnalysisRuleDirectories>
     <CodeAnalysisIgnoreBuiltInRules>true</CodeAnalysisIgnoreBuiltInRules>
     <RunCodeAnalysis>false</RunCodeAnalysis>
diff --git a/dotNetZip/Zip Reduced/Zip Reduced.csproj b/dotNetZip/Zip Reduced/Zip Reduced.csproj
index b4d0ca1..9aa7803 100644
--- a/dotNetZip/Zip Reduced/Zip Reduced.csproj	
+++ b/dotNetZip/Zip Reduced/Zip Reduced.csproj	
@@ -74,7 +74,7 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <CodeAnalysisRuleSetDirectories>;C:\Program Files\Microsoft Visual Studio 10.0\Team Tools\Static Analysis Tools\\Rule Sets</CodeAnalysisRuleSetDirectories>
-    <CodeAnalysisIgnoreBuiltInRuleSets>true</CodeAnalysisIgnoreBuiltInRuleSets>
+    <CodeAnalysisIgnoreBuiltInRuleSets>false</CodeAnalysisIgnoreBuiltInRuleSets>
     <CodeAnalysisRuleDirectories>;C:\Program Files\Microsoft Visual Studio 10.0\Team Tools\Static Analysis Tools\FxCop\\Rules</CodeAnalysisRuleDirectories>
     <CodeAnalysisIgnoreBuiltInRules>true</CodeAnalysisIgnoreBuiltInRules>
   </PropertyGroup>
diff --git a/ePubReader/ePubReader/ePubReader.csproj b/ePubReader/ePubReader/ePubReader.csproj
index baa0b8c..97147da 100644
--- a/ePubReader/ePubReader/ePubReader.csproj
+++ b/ePubReader/ePubReader/ePubReader.csproj
@@ -48,7 +48,7 @@
     <CodeAnalysisModuleSuppressionsFile>GlobalSuppressions.cs</CodeAnalysisModuleSuppressionsFile>
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSetDirectories>;C:\Program Files\Microsoft Visual Studio 10.0\Team Tools\Static Analysis Tools\\Rule Sets</CodeAnalysisRuleSetDirectories>
-    <CodeAnalysisIgnoreBuiltInRuleSets>true</CodeAnalysisIgnoreBuiltInRuleSets>
+    <CodeAnalysisIgnoreBuiltInRuleSets>false</CodeAnalysisIgnoreBuiltInRuleSets>
     <CodeAnalysisRuleDirectories>;C:\Program Files\Microsoft Visual Studio 10.0\Team Tools\Static Analysis Tools\FxCop\\Rules</CodeAnalysisRuleDirectories>
     <CodeAnalysisIgnoreBuiltInRules>true</CodeAnalysisIgnoreBuiltInRules>
   </PropertyGroup>