diff --git a/libs/libdingaling/libdingaling.vcproj b/libs/libdingaling/libdingaling.vcproj
index 033d2997eb..3cb660b406 100644
--- a/libs/libdingaling/libdingaling.vcproj
+++ b/libs/libdingaling/libdingaling.vcproj
@@ -308,6 +308,10 @@
 				RelativePath=".\src\libdingaling.c"
 				>
 			</File>
+			<File
+				RelativePath=".\src\sha1.c"
+				>
+			</File>
 		</Filter>
 		<Filter
 			Name="Header Files"
diff --git a/libs/libdingaling/src/libdingaling.c b/libs/libdingaling/src/libdingaling.c
index 0c430d5bc2..84bc384ecf 100644
--- a/libs/libdingaling/src/libdingaling.c
+++ b/libs/libdingaling/src/libdingaling.c
@@ -62,6 +62,10 @@
 #include "libdingaling.h"
 #include "sha1.h"
 
+#ifdef _MSC_VER
+#pragma warning(disable:4127)
+#endif
+
 #define microsleep(x) apr_sleep(x * 1000)
 
 static int opt_timeout = 30;
@@ -953,7 +957,7 @@ static void sha1_hash(char *out, char *in)
 
 	SHA1Init(&sha);
 	
-	SHA1Update(&sha, (unsigned char *) in, strlen(in));
+	SHA1Update(&sha, (unsigned char *) in, (unsigned int)strlen(in));
 
 	SHA1Final(digest, &sha);