@@ -13,10 +13,11 @@
  * file.
  */
 
 #import "OFConcreteValue.h"
 #import "OFMethodSignature.h"
+#import "OFString.h"
 
 #import "OFOutOfRangeException.h"
 
 @implementation OFConcreteValue
 @synthesize objCType = _objCType;
@@ -26,13 +27,12 @@
 {
 	self = [super initWithBytes: bytes objCType: objCType];
 
 	@try {
 		_size = OFSizeOfTypeEncoding(objCType);
-		_objCType = objCType;
+		_objCType = OFStrDup(objCType);
 		_bytes = OFAllocMemory(1, _size);
-
 		memcpy(_bytes, bytes, _size);
 	} @catch (id e) {
 		[self release];
 		@throw e;
 	}
@@ -41,10 +41,11 @@
 }
 
 - (void)dealloc
 {
 	OFFreeMemory(_bytes);
+	OFFreeMemory(_objCType);
 
 	[super dealloc];
 }
 
 - (void)getValue: (void *)value size: (size_t)size