diff --git a/tools/perf/pmu-events/arch/powerpc/mapfile.csv b/tools/perf/pmu-events/arch/powerpc/mapfile.csv
index 14318ef215f8506f3c107cf9f251fd4d090eaadc..a0f3a11ca19f14660ec7f3ad46ff5d8d848c66e4 100644
--- a/tools/perf/pmu-events/arch/powerpc/mapfile.csv
+++ b/tools/perf/pmu-events/arch/powerpc/mapfile.csv
@@ -13,13 +13,13 @@
 #
 
 # Power8 entries
-004b0000,1,power8.json,core
-004b0201,1,power8.json,core
-004c0000,1,power8.json,core
-004d0000,1,power8.json,core
-004d0100,1,power8.json,core
-004d0200,1,power8.json,core
-004c0100,1,power8.json,core
-004e0100,1,power9.json,core
-004e0200,1,power9.json,core
-004e1200,1,power9.json,core
+004b0000,1,power8,core
+004b0201,1,power8,core
+004c0000,1,power8,core
+004d0000,1,power8,core
+004d0100,1,power8,core
+004d0200,1,power8,core
+004c0100,1,power8,core
+004e0100,1,power9,core
+004e0200,1,power9,core
+004e1200,1,power9,core