diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultGenerator.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultGenerator.java
index 7a76a472269..56a4a25a2b9 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultGenerator.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultGenerator.java
@@ -562,6 +562,7 @@ public class DefaultGenerator extends AbstractGenerator implements Generator {
                 operation.put("classVarName", config.toApiVarName(tag));
                 operation.put("importPath", config.toApiImport(tag));
                 operation.put("classFilename", config.toApiFilename(tag));
+                operation.put("strictSpecBehavior", config.isStrictSpecBehavior());
 
                 if (allModels == null || allModels.isEmpty()) {
                     operation.put("hasModel", false);
diff --git a/modules/openapi-generator/src/main/resources/ruby-client/api.mustache b/modules/openapi-generator/src/main/resources/ruby-client/api.mustache
index 1c5a053a9b9..bebf2fcae86 100644
--- a/modules/openapi-generator/src/main/resources/ruby-client/api.mustache
+++ b/modules/openapi-generator/src/main/resources/ruby-client/api.mustache
@@ -123,7 +123,7 @@ module {{moduleName}}
       {{/hasValidation}}
       {{/allParams}}
       # resource path
-      local_var_path = '{{{path}}}'{{#pathParams}}.sub('{' + '{{baseName}}' + '}', CGI.escape({{paramName}}.to_s)){{/pathParams}}
+      local_var_path = '{{{path}}}'{{#pathParams}}.sub('{' + '{{baseName}}' + '}', CGI.escape({{paramName}}.to_s){{^strictSpecBehavior}}.gsub('%2F', '/'){{/strictSpecBehavior}}){{/pathParams}}
 
       # query parameters
       query_params = opts[:query_params] || {}