Index: src/OFMutableDictionary.m
==================================================================
--- src/OFMutableDictionary.m
+++ src/OFMutableDictionary.m
@@ -30,13 +30,13 @@
 	uint32_t i;
 
 	if (count > SIZE_MAX / 4)
 		@throw [OFOutOfRangeException newWithClass: isa];
 
-	if (fill > 3)
+	if (fill >= 3)
 		newsize = *size << 1;
-	else if (fill < 1)
+	else if (fill <= 1)
 		newsize = *size >> 1;
 	else
 		return;
 
 	if (newsize == 0)