diff --git a/tools/j2s.c b/tools/j2s.c
index 2e6b5b4..9a85a00 100644
--- a/tools/j2s.c
+++ b/tools/j2s.c
@@ -441,9 +441,9 @@ Main(Array * args)
     StreamPrintf(headerFile, "#ifndef %s\n", guard);
     StreamPrintf(headerFile, "#define %s\n\n", guard);
 
-    StreamPrintf(headerFile, "#include <Array.h>\n");
-    StreamPrintf(headerFile, "#include <HashMap.h>\n");
-    StreamPrintf(headerFile, "#include <Int64.h>\n");
+    StreamPrintf(headerFile, "#include <Cytoplasm/Array.h>\n");
+    StreamPrintf(headerFile, "#include <Cytoplasm/HashMap.h>\n");
+    StreamPrintf(headerFile, "#include <Cytoplasm/Int64.h>\n");
 
     StreamPutc(headerFile, '\n');
 
@@ -583,9 +583,9 @@ Main(Array * args)
     StreamPrintf(implFile, "/* Generated by j2s */\n\n");
     StreamPrintf(implFile, "#include <%s>\n\n", headerName);
 
-    StreamPrintf(implFile, "#include <Memory.h>\n");
-    StreamPrintf(implFile, "#include <Json.h>\n");
-    StreamPrintf(implFile, "#include <Str.h>\n");
+    StreamPrintf(implFile, "#include <Cytoplasm/Memory.h>\n");
+    StreamPrintf(implFile, "#include <Cytoplasm/Json.h>\n");
+    StreamPrintf(implFile, "#include <Cytoplasm/Str.h>\n");
 
     StreamPutc(implFile, '\n');