diff --git a/Source/Component/Initializer/Collection/TyphoonParameterInjectedAsCollection.m b/Source/Component/Initializer/Collection/TyphoonParameterInjectedAsCollection.m
index c998377ad..472fe0d16 100644
--- a/Source/Component/Initializer/Collection/TyphoonParameterInjectedAsCollection.m
+++ b/Source/Component/Initializer/Collection/TyphoonParameterInjectedAsCollection.m
@@ -66,7 +66,7 @@ -(TyphoonCollectionType)collectionType {
     
     [NSException raise:NSInvalidArgumentException format:@"Required collection type '%@' is neither an NSSet nor NSArray.",
      NSStringFromClass(clazz)];
-    return nil;
+    return 0;
 }
 
 @end
diff --git a/Source/Component/Properties/Collection/TyphoonPropertyInjectedAsCollection.m b/Source/Component/Properties/Collection/TyphoonPropertyInjectedAsCollection.m
index b2686d5fb..64a3c7048 100644
--- a/Source/Component/Properties/Collection/TyphoonPropertyInjectedAsCollection.m
+++ b/Source/Component/Properties/Collection/TyphoonPropertyInjectedAsCollection.m
@@ -70,7 +70,7 @@ - (TyphoonCollectionType)resolveCollectionTypeWith:(id<TyphoonIntrospectiveNSObj
 
     [NSException raise:NSInvalidArgumentException format:@"Property named '%@' on '%@' is neither an NSSet nor NSArray.", _name,
                                                          NSStringFromClass(describedClass)];
-    return nil;
+    return 0;
 }
 
 /* ====================================================================================================================================== */
@@ -100,4 +100,4 @@ - (NSString*)description
 }
 
 
-@end
\ No newline at end of file
+@end
diff --git a/Source/TypeConversion/Converters/TyphoonPrimitiveTypeConverter.m b/Source/TypeConversion/Converters/TyphoonPrimitiveTypeConverter.m
index 25ce22f6b..758a31874 100644
--- a/Source/TypeConversion/Converters/TyphoonPrimitiveTypeConverter.m
+++ b/Source/TypeConversion/Converters/TyphoonPrimitiveTypeConverter.m
@@ -81,7 +81,7 @@ - (unsigned long)convertToUnsignedLong:(NSString*)stringValue
     NSScanner* scanner = [[NSScanner alloc] initWithString:stringValue];
     long long converted = 0;
     [scanner scanLongLong:&converted];
-    return [[NSNumber numberWithLong:converted] unsignedLongValue];
+    return [[NSNumber numberWithLongLong:converted] unsignedLongValue];
 }
 
 - (unsigned long long)convertToUnsignedLongLong:(NSString*)stringValue
@@ -204,4 +204,4 @@ - (void)setPrimitiveArgumentFor:(NSInvocation*)invocation index:(NSUInteger)inde
 }
 
 
-@end
\ No newline at end of file
+@end