diff --git a/Classes/BITAuthenticator.m b/Classes/BITAuthenticator.m
index 3a46eb1669..0b908f5de3 100644
--- a/Classes/BITAuthenticator.m
+++ b/Classes/BITAuthenticator.m
@@ -694,8 +694,8 @@ static unsigned char kBITPNGEndChunk[4] = {0x49, 0x45, 0x4e, 0x44};
   }
   
   unsigned char *buffer, *source;
-  source = (unsigned char *)malloc(fs.st_size);
-  if (read(fd, source, fs.st_size) != fs.st_size) {
+  source = (unsigned char *)malloc((unsigned long)fs.st_size);
+  if (read(fd, source, (unsigned long)fs.st_size) != fs.st_size) {
     // Couldn't read file
     free(source);
     return;
diff --git a/Support/HockeySDK.xcodeproj/project.pbxproj b/Support/HockeySDK.xcodeproj/project.pbxproj
index 7f5b4a710c..910428df15 100644
--- a/Support/HockeySDK.xcodeproj/project.pbxproj
+++ b/Support/HockeySDK.xcodeproj/project.pbxproj
@@ -1154,6 +1154,10 @@
 				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
 				"IPHONEOS_DEPLOYMENT_TARGET[arch=arm64]" = 7.0;
 				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				OTHER_CFLAGS = (
+					"-Wshorten-64-to-32",
+					"-Wall",
+				);
 				RUN_CLANG_STATIC_ANALYZER = YES;
 				SDKROOT = iphoneos;
 			};
@@ -1287,6 +1291,10 @@
 				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
 				"IPHONEOS_DEPLOYMENT_TARGET[arch=arm64]" = 7.0;
 				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				OTHER_CFLAGS = (
+					"-Wshorten-64-to-32",
+					"-Wall",
+				);
 				RUN_CLANG_STATIC_ANALYZER = YES;
 				SDKROOT = iphoneos;
 			};
@@ -1318,6 +1326,10 @@
 				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
 				"IPHONEOS_DEPLOYMENT_TARGET[arch=arm64]" = 7.0;
 				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				OTHER_CFLAGS = (
+					"-Wshorten-64-to-32",
+					"-Wall",
+				);
 				RUN_CLANG_STATIC_ANALYZER = YES;
 				SDKROOT = iphoneos;
 				VALIDATE_PRODUCT = NO;