diff --git a/ChangeLog b/ChangeLog
index 0bc08908c..e83c15102 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,8 @@
 
 	* Source/NSPredicate.m: Reorganize initialisation of scanner to avoid
 	implicit cast of zero to a va_listt (fix bug #17336)
+	* Source/Additions/GSObjCRuntime.m: GSObjCMakeClass() fix incorrect
+	calculation of ivar size/offset information as reported in bug #17069
 
 2006-08-04 23:26-EDT Gregory John Casamento <greg_casamento@yahoo.com>
 
diff --git a/Source/Additions/GSObjCRuntime.m b/Source/Additions/GSObjCRuntime.m
index 1110309fb..452274c9f 100644
--- a/Source/Additions/GSObjCRuntime.m
+++ b/Source/Additions/GSObjCRuntime.m
@@ -506,7 +506,6 @@ GSObjCMakeClass(NSString *name, NSString *superName, NSDictionary *iVars)
           ivar->ivar_type = tmp;
 
           // align the ivar (i.e. put it on the first aligned address
-          iVarSize = objc_aligned_size(ivar->ivar_type);
           ivar->ivar_offset = iVarSize;
           iVarSize += objc_sizeof_type(ivar->ivar_type); // add the ivar size
 	  ivar = ivar + 1;