diff --git a/cockatrice/src/game/filters/filter_string.cpp b/cockatrice/src/game/filters/filter_string.cpp
index 21822a32d..e69f7508b 100644
--- a/cockatrice/src/game/filters/filter_string.cpp
+++ b/cockatrice/src/game/filters/filter_string.cpp
@@ -10,7 +10,7 @@
 peg::parser search(R"(
 Start <- QueryPartList
 ~ws <- [ ]+
-QueryPartList <- ComplexQueryPart ( ws ("and" ws)? ComplexQueryPart)* ws*
+QueryPartList <- ComplexQueryPart ( ws ("AND" ws)? ComplexQueryPart)* ws*
 
 ComplexQueryPart <- SomewhatComplexQueryPart ws $or<[O][R]> ws ComplexQueryPart / SomewhatComplexQueryPart