diff --git a/libs/win32/sofia/libsofia_sip_ua_static.vcproj b/libs/win32/sofia/libsofia_sip_ua_static.vcproj
index b67f6cb8e0..eedff6bac2 100644
--- a/libs/win32/sofia/libsofia_sip_ua_static.vcproj
+++ b/libs/win32/sofia/libsofia_sip_ua_static.vcproj
@@ -53,8 +53,9 @@
 				ObjectFile=".\Debug/"
 				ProgramDataBaseFileName=".\Debug/"
 				BrowseInformation="1"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="true"
+				Detect64BitPortabilityProblems="true"
 				DebugInformationFormat="3"
 			/>
 			<Tool
@@ -131,8 +132,9 @@
 				ObjectFile=".\Release/"
 				ProgramDataBaseFileName=".\Release/"
 				BrowseInformation="1"
-				WarningLevel="3"
+				WarningLevel="4"
 				SuppressStartupBanner="true"
+				Detect64BitPortabilityProblems="true"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
diff --git a/src/mod/codecs/mod_ilbc/mod_ilbc.c b/src/mod/codecs/mod_ilbc/mod_ilbc.c
index 7e49a61180..b9d13ece55 100644
--- a/src/mod/codecs/mod_ilbc/mod_ilbc.c
+++ b/src/mod/codecs/mod_ilbc/mod_ilbc.c
@@ -49,7 +49,7 @@ static switch_status_t switch_ilbc_init(switch_codec_t *codec, switch_codec_flag
 {
 	struct ilbc_context *context;
 	int encoding, decoding;
-	uint8_t ms = codec->implementation->microseconds_per_frame / 1000;
+	uint8_t ms = (uint8_t)(codec->implementation->microseconds_per_frame / 1000);
 
 
 	if (ms != 20 && ms != 30) {
diff --git a/src/mod/codecs/mod_ilbc/mod_ilbc.vcproj b/src/mod/codecs/mod_ilbc/mod_ilbc.vcproj
index 63fbcbf719..00b6084bee 100644
--- a/src/mod/codecs/mod_ilbc/mod_ilbc.vcproj
+++ b/src/mod/codecs/mod_ilbc/mod_ilbc.vcproj
@@ -48,7 +48,8 @@
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
 				UsePrecompiledHeader="0"
-				WarningLevel="3"
+				WarningLevel="4"
+				WarnAsError="true"
 				Detect64BitPortabilityProblems="true"
 				DebugInformationFormat="3"
 			/>
@@ -127,7 +128,8 @@
 				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;MOD_EXPORTS"
 				RuntimeLibrary="2"
 				UsePrecompiledHeader="0"
-				WarningLevel="3"
+				WarningLevel="4"
+				WarnAsError="true"
 				Detect64BitPortabilityProblems="true"
 				DebugInformationFormat="3"
 			/>