diff --git a/firmware/tunerstudio/rusefi_prometheus.ini b/firmware/tunerstudio/rusefi_prometheus.ini
index 4a37275816..6a409e659c 100644
--- a/firmware/tunerstudio/rusefi_prometheus.ini
+++ b/firmware/tunerstudio/rusefi_prometheus.ini
@@ -63,12 +63,8 @@ enable2ndByteCanID = false
    pageActivate        = "P\x00\x00"
    pageValueWrite      = "W\x00\x00%2o%v"
    pageChunkWrite      = "C\x00\x00%2o%2c%v"
-;   crc32CheckCommand   = "k%2i%2o\xB8\x36"
-	;
-	; TODO: interesting - 0x36B8 equals 14008 which looks like pageSize at some point in the past? is this a defect here - should
-	; we have current pageSize or (pageSize + 8) here?
-	;
-   crc32CheckCommand   = "k\x00\x00\x00\x00\x36\xB8"
+   ; todo: make this command shorter one day, no need to have all these zeros
+   crc32CheckCommand   = "k\x00\x00\x00\x00\x00\x00"
    retrieveConfigError = "e"
 
 ;communication settings
@@ -89,7 +85,7 @@ enable2ndByteCanID = false
 
 ; see PAGE_0_SIZE in C source code    
 ; CONFIG_DEFINITION_START
-; this section was generated automatically by rusEfi tool ConfigDefinition.jar based on gen_config.bat integration\rusefi_config.txt Wed May 20 22:24:46 EDT 2020
+; this section was generated automatically by rusEfi tool ConfigDefinition.jar based on gen_config.bat integration\rusefi_config.txt Thu May 21 02:44:56 EDT 2020
 
 pageSize            = 20000
 page = 1
diff --git a/firmware/tunerstudio/rusefi_proteus.ini b/firmware/tunerstudio/rusefi_proteus.ini
index 2a8cd001bb..f725a993a2 100644
--- a/firmware/tunerstudio/rusefi_proteus.ini
+++ b/firmware/tunerstudio/rusefi_proteus.ini
@@ -63,12 +63,8 @@ enable2ndByteCanID = false
    pageActivate        = "P\x00\x00"
    pageValueWrite      = "W\x00\x00%2o%v"
    pageChunkWrite      = "C\x00\x00%2o%2c%v"
-;   crc32CheckCommand   = "k%2i%2o\xB8\x36"
-	;
-	; TODO: interesting - 0x36B8 equals 14008 which looks like pageSize at some point in the past? is this a defect here - should
-	; we have current pageSize or (pageSize + 8) here?
-	;
-   crc32CheckCommand   = "k\x00\x00\x00\x00\x36\xB8"
+   ; todo: make this command shorter one day, no need to have all these zeros
+   crc32CheckCommand   = "k\x00\x00\x00\x00\x00\x00"
    retrieveConfigError = "e"
 
 ;communication settings
@@ -89,7 +85,7 @@ enable2ndByteCanID = false
 
 ; see PAGE_0_SIZE in C source code    
 ; CONFIG_DEFINITION_START
-; this section was generated automatically by rusEfi tool ConfigDefinition.jar based on gen_config.bat integration\rusefi_config.txt Wed May 20 22:24:48 EDT 2020
+; this section was generated automatically by rusEfi tool ConfigDefinition.jar based on gen_config.bat integration\rusefi_config.txt Thu May 21 02:45:11 EDT 2020
 
 pageSize            = 20000
 page = 1