diff --git a/src/modules/ad/interface/grpc-controllers/dtos/match.request.dto.ts b/src/modules/ad/interface/grpc-controllers/dtos/match.request.dto.ts
index 70131e2..19777fd 100644
--- a/src/modules/ad/interface/grpc-controllers/dtos/match.request.dto.ts
+++ b/src/modules/ad/interface/grpc-controllers/dtos/match.request.dto.ts
@@ -2,10 +2,10 @@ import {
   ArrayMinSize,
   IsArray,
   IsBoolean,
-  IsDecimal,
   IsEnum,
   IsISO8601,
   IsInt,
+  IsNumber,
   IsOptional,
   IsUUID,
   Max,
@@ -93,7 +93,7 @@ export class MatchRequestDto {
   useProportion?: boolean;
 
   @IsOptional()
-  @IsDecimal()
+  @IsNumber()
   @Min(0)
   @Max(1)
   proportion?: number;
@@ -109,13 +109,13 @@ export class MatchRequestDto {
   azimuthMargin?: number;
 
   @IsOptional()
-  @IsDecimal()
+  @IsNumber()
   @Min(0)
   @Max(1)
   maxDetourDistanceRatio?: number;
 
   @IsOptional()
-  @IsDecimal()
+  @IsNumber()
   @Min(0)
   @Max(1)
   maxDetourDurationRatio?: number;
diff --git a/src/modules/ad/interface/grpc-controllers/matcher.proto b/src/modules/ad/interface/grpc-controllers/matcher.proto
index 0b774e7..18344dc 100644
--- a/src/modules/ad/interface/grpc-controllers/matcher.proto
+++ b/src/modules/ad/interface/grpc-controllers/matcher.proto
@@ -19,7 +19,7 @@ message MatchRequest {
   AlgorithmType algorithmType = 10;
   int32 remoteness = 11;
   bool useProportion = 12;
-  int32 proportion = 13;
+  float proportion = 13;
   bool useAzimuth = 14;
   int32 azimuthMargin = 15;
   float maxDetourDistanceRatio = 16;