diff --git a/SOPE/GDLContentStore/ChangeLog b/SOPE/GDLContentStore/ChangeLog
index 84df4aad6..fda01529f 100644
--- a/SOPE/GDLContentStore/ChangeLog
+++ b/SOPE/GDLContentStore/ChangeLog
@@ -1,3 +1,8 @@
+2010-12-30  Wolfgang Sourdeau  <wsourdeau@inverse.ca>
+
+	* EOQualifier+GCS.m (_appendNotQualifier:toString:): new method
+	for handling the EONotQualifier.
+
 2010-12-10  Wolfgang Sourdeau  <wsourdeau@inverse.ca>
 
 	* EOQualifier+GCS.m (_appendKeyValueQualifier:toString:): fixed
diff --git a/SOPE/GDLContentStore/EOQualifier+GCS.m b/SOPE/GDLContentStore/EOQualifier+GCS.m
index 45ebf5ba3..42fed644f 100644
--- a/SOPE/GDLContentStore/EOQualifier+GCS.m
+++ b/SOPE/GDLContentStore/EOQualifier+GCS.m
@@ -65,6 +65,15 @@
     if (count > 1) [_ms appendString:@")"];
   }
 }
+
+- (void)_appendNotQualifier:(EONotQualifier *)_q 
+  toString:(NSMutableString *)_ms
+{
+  [_ms appendString:@" NOT ("];
+  [[_q qualifier] _gcsAppendToString:_ms];
+  [_ms appendString:@")"];
+}
+
 - (void)_appendKeyValueQualifier:(EOKeyValueQualifier *)_q 
   toString:(NSMutableString *)_ms
 {
@@ -148,6 +157,8 @@
     [self _appendOrQualifier:(id)_q toString:_ms];
   else if ([_q isKindOfClass:[EOKeyValueQualifier class]])
     [self _appendKeyValueQualifier:(id)_q toString:_ms];
+  else if ([_q isKindOfClass:[EONotQualifier class]])
+    [self _appendNotQualifier:(id)_q toString:_ms];
   else
     [self errorWithFormat:@"unknown qualifier: %@", _q];
 }