diff --git a/Kconfig_sfp_fiber.in b/Kconfig_sfp_fiber.in
index ea74a5a3984dcd59688072ff886ff71e0e212767..de4c29d94acdbfd6825adae62b7ed4f0ab049757 100644
--- a/Kconfig_sfp_fiber.in
+++ b/Kconfig_sfp_fiber.in
@@ -405,7 +405,7 @@ menu "Fibers configuration DB"
 config FIBER00_PARAMS
 string "Parameters for fiber type 0"
 	depends on  N_FIBER_ENTRIES=1 || N_FIBER_ENTRIES=2 || N_FIBER_ENTRIES=3 || N_FIBER_ENTRIES=4 || N_FIBER_ENTRIES=5 || N_FIBER_ENTRIES=6 || N_FIBER_ENTRIES=7 || N_FIBER_ENTRIES=8 || N_FIBER_ENTRIES=9 || N_FIBER_ENTRIES=10 || N_FIBER_ENTRIES=11 || N_FIBER_ENTRIES=12 || N_FIBER_ENTRIES=13 || N_FIBER_ENTRIES=14 || N_FIBER_ENTRIES=15 || N_FIBER_ENTRIES=16 || N_FIBER_ENTRIES=17 || N_FIBER_ENTRIES=18
-	default "alpha_1310_1490=2.6787e-04"
+	default "alpha_1310_1490=0.0002743"
 	help
 	  This parameter specify the physical features of used fiber type.
 	  Specify the alpha value for each pair of used wavelengths.
@@ -420,7 +420,7 @@ string "Parameters for fiber type 0"
 config FIBER01_PARAMS
 string "Parameters for fiber type 1"
 	depends on  N_FIBER_ENTRIES=2 || N_FIBER_ENTRIES=3 || N_FIBER_ENTRIES=4 || N_FIBER_ENTRIES=5 || N_FIBER_ENTRIES=6 || N_FIBER_ENTRIES=7 || N_FIBER_ENTRIES=8 || N_FIBER_ENTRIES=9 || N_FIBER_ENTRIES=10 || N_FIBER_ENTRIES=11 || N_FIBER_ENTRIES=12 || N_FIBER_ENTRIES=13 || N_FIBER_ENTRIES=14 || N_FIBER_ENTRIES=15 || N_FIBER_ENTRIES=16 || N_FIBER_ENTRIES=17 || N_FIBER_ENTRIES=18
-	default "alpha_1310_1490=2.6787e-04"
+	default "alpha_1310_1490=0.0002743"
 	help
 	  This parameter specify the physical features of used fiber type.
 	  Specify the alpha value for each pair of used wavelengths.
@@ -435,7 +435,7 @@ string "Parameters for fiber type 1"
 config FIBER02_PARAMS
 string "Parameters for fiber type 2"
 	depends on  N_FIBER_ENTRIES=3 || N_FIBER_ENTRIES=4 || N_FIBER_ENTRIES=5 || N_FIBER_ENTRIES=6 || N_FIBER_ENTRIES=7 || N_FIBER_ENTRIES=8 || N_FIBER_ENTRIES=9 || N_FIBER_ENTRIES=10 || N_FIBER_ENTRIES=11 || N_FIBER_ENTRIES=12 || N_FIBER_ENTRIES=13 || N_FIBER_ENTRIES=14 || N_FIBER_ENTRIES=15 || N_FIBER_ENTRIES=16 || N_FIBER_ENTRIES=17 || N_FIBER_ENTRIES=18
-	default "alpha_1310_1490=2.6787e-04"
+	default "alpha_1310_1490=0.0002743"
 	help
 	  This parameter specify the physical features of used fiber type.
 	  Specify the alpha value for each pair of used wavelengths.
@@ -450,7 +450,7 @@ string "Parameters for fiber type 2"
 config FIBER03_PARAMS
 string "Parameters for fiber type 3"
 	depends on  N_FIBER_ENTRIES=4 || N_FIBER_ENTRIES=5 || N_FIBER_ENTRIES=6 || N_FIBER_ENTRIES=7 || N_FIBER_ENTRIES=8 || N_FIBER_ENTRIES=9 || N_FIBER_ENTRIES=10 || N_FIBER_ENTRIES=11 || N_FIBER_ENTRIES=12 || N_FIBER_ENTRIES=13 || N_FIBER_ENTRIES=14 || N_FIBER_ENTRIES=15 || N_FIBER_ENTRIES=16 || N_FIBER_ENTRIES=17 || N_FIBER_ENTRIES=18
-	default "alpha_1310_1490=2.6787e-04"
+	default "alpha_1310_1490=0.0002743"
 	help
 	  This parameter specify the physical features of used fiber type.
 	  Specify the alpha value for each pair of used wavelengths.
diff --git a/userspace/host_tools/gen_kconfig_sfp_fiber.sh b/userspace/host_tools/gen_kconfig_sfp_fiber.sh
index c5692025ac849ab3b6bfee7dc816a28d6d962876..be4b7b1ca4dcfcc07ec6a3677e79d1817c0b4268 100755
--- a/userspace/host_tools/gen_kconfig_sfp_fiber.sh
+++ b/userspace/host_tools/gen_kconfig_sfp_fiber.sh
@@ -151,10 +151,10 @@ declare sfp_params=(
 )
 
 declare fiber_params=(
-	"alpha_1310_1490=2.6787e-04"
-	"alpha_1310_1490=2.6787e-04"
-	"alpha_1310_1490=2.6787e-04"
-	"alpha_1310_1490=2.6787e-04"
+	"alpha_1310_1490=0.0002743"
+	"alpha_1310_1490=0.0002743"
+	"alpha_1310_1490=0.0002743"
+	"alpha_1310_1490=0.0002743"
 )
 
 print_header