diff --git a/src/preserves/schemaparse.nim b/src/preserves/schemaparse.nim
index ff2709f..cd70a68 100644
--- a/src/preserves/schemaparse.nim
+++ b/src/preserves/schemaparse.nim
@@ -156,16 +156,28 @@ const parser = peg("Schema", p: ParseState):
   AnyPattern <- "any":
     pushStack toSymbol"any"
 
-  AtomKindPattern <-
-      "bool" |
-      "float" |
-      "double" |
-      "int" |
-      "string" |
-      "bytes" |
-      "symbol":
-    var n = initRecord(toSymbol"atom", toSymbol(capitalizeAscii $0))
-    pushStack n
+  AtomKindPattern <- Boolean | Float | Double | SignedInteger | String | ByteString | Symbol
+
+  Boolean <- "bool":
+    pushStack initRecord(toSymbol"atom", toSymbol"Boolean")
+
+  Float <- "float":
+    pushStack initRecord(toSymbol"atom", toSymbol"Float")
+
+  Double <- "double":
+    pushStack initRecord(toSymbol"atom", toSymbol"Double")
+
+  SignedInteger <- "int":
+    pushStack initRecord(toSymbol"atom", toSymbol"SignedInteger")
+
+  String <- "string":
+    pushStack initRecord(toSymbol"atom", toSymbol"String")
+
+  ByteString <- "bytes":
+    pushStack initRecord(toSymbol"atom", toSymbol"ByteString")
+
+  Symbol <- "symbol":
+    pushStack initRecord(toSymbol"atom", toSymbol"Symbol")
 
   EmbeddedPattern <- "#!" * SimplePattern:
     var n = initRecord(toSymbol"embedded", popStack())