diff --git a/src/mod/endpoints/mod_sofia/mod_sofia.2008.vcproj b/src/mod/endpoints/mod_sofia/mod_sofia.2008.vcproj
index 3276eacda6..3f70779942 100644
--- a/src/mod/endpoints/mod_sofia/mod_sofia.2008.vcproj
+++ b/src/mod/endpoints/mod_sofia/mod_sofia.2008.vcproj
@@ -176,6 +176,10 @@
 			RelativePath=".\sofia_reg.c"
 			>
 		</File>
+		<File
+			RelativePath=".\sofia_sla.c"
+			>
+		</File>
 	</Files>
 	<Globals>
 	</Globals>
diff --git a/src/mod/endpoints/mod_sofia/mod_sofia.vcproj b/src/mod/endpoints/mod_sofia/mod_sofia.vcproj
index 8cf7a0fa35..eea966f499 100644
--- a/src/mod/endpoints/mod_sofia/mod_sofia.vcproj
+++ b/src/mod/endpoints/mod_sofia/mod_sofia.vcproj
@@ -178,6 +178,10 @@
 			RelativePath=".\sofia_reg.c"
 			>
 		</File>
+		<File
+			RelativePath=".\sofia_sla.c"
+			>
+		</File>
 	</Files>
 	<Globals>
 	</Globals>