diff --git a/porting/npl/riot/include/syscfg/syscfg.h b/porting/npl/riot/include/syscfg/syscfg.h
index b0b9c5ab1..8213cd8a8 100644
--- a/porting/npl/riot/include/syscfg/syscfg.h
+++ b/porting/npl/riot/include/syscfg/syscfg.h
@@ -315,11 +315,11 @@
 #endif
 
 #ifndef MYNEWT_VAL_MSYS_1_BLOCK_COUNT
-#define MYNEWT_VAL_MSYS_1_BLOCK_COUNT (12)
+#define MYNEWT_VAL_MSYS_1_BLOCK_COUNT (5)
 #endif
 
 #ifndef MYNEWT_VAL_MSYS_1_BLOCK_SIZE
-#define MYNEWT_VAL_MSYS_1_BLOCK_SIZE (292)
+#define MYNEWT_VAL_MSYS_1_BLOCK_SIZE (88)
 #endif
 
 #ifndef MYNEWT_VAL_MSYS_2_BLOCK_COUNT