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 2da1e53f84e2..9d7f2f7045fb 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
@@ -205,7 +205,7 @@ private Boolean getGeneratorPropertyDefaultSwitch(final String key, final Boolea
     void configureGeneratorProperties() {
         // allows generating only models by specifying a CSV of models to generate, or empty for all
         // NOTE: Boolean.TRUE is required below rather than `true` because of JVM boxing constraints and type inference.
-        generateApis = GlobalSettings.getProperty(CodegenConstants.APIS) != null ? Boolean.TRUE : getGeneratorPropertyDefaultSwitch(CodegenConstants.APIS, null);
+        generateApis = GlobalSettings.getProperty(CodegenConstants.APIS) != null ? Boolean.valueOf(GlobalSettings.getProperty(CodegenConstants.APIS)) : getGeneratorPropertyDefaultSwitch(CodegenConstants.APIS, null);
         generateModels = GlobalSettings.getProperty(CodegenConstants.MODELS) != null ? Boolean.TRUE : getGeneratorPropertyDefaultSwitch(CodegenConstants.MODELS, null);
         generateSupportingFiles = GlobalSettings.getProperty(CodegenConstants.SUPPORTING_FILES) != null ? Boolean.TRUE : getGeneratorPropertyDefaultSwitch(CodegenConstants.SUPPORTING_FILES, null);