Index: src/exceptions/OFConditionStillWaitingException.h
==================================================================
--- src/exceptions/OFConditionStillWaitingException.h
+++ src/exceptions/OFConditionStillWaitingException.h
@@ -46,10 +46,12 @@
  *
  * @param condition The condition for which is still being waited
  * @return A new, autoreleased condition still waiting exception
  */
 + (instancetype)exceptionWithCondition: (OFCondition *)condition;
+
+- (instancetype)init OF_UNAVAILABLE;
 
 /**
  * @brief Initializes an already allocated condition still waiting exception.
  *
  * @param condition The condition for which is still being waited

Index: src/exceptions/OFConditionStillWaitingException.m
==================================================================
--- src/exceptions/OFConditionStillWaitingException.m
+++ src/exceptions/OFConditionStillWaitingException.m
@@ -27,11 +27,11 @@
 	return [[[self alloc] initWithCondition: condition] autorelease];
 }
 
 - (instancetype)init
 {
-	return [self initWithCondition: nil];
+	OF_INVALID_INIT_METHOD
 }
 
 - (instancetype)initWithCondition: (OFCondition *)condition
 {
 	self = [super init];