diff --git a/src/native/common/org_lwjgl_openal_eax_EAXBufferProperties.cpp b/src/native/common/org_lwjgl_openal_eax_EAXBufferProperties.cpp
index eb4b6e04..4dabd2ba 100644
--- a/src/native/common/org_lwjgl_openal_eax_EAXBufferProperties.cpp
+++ b/src/native/common/org_lwjgl_openal_eax_EAXBufferProperties.cpp
@@ -44,6 +44,8 @@
 JNIEXPORT jint JNICALL Java_org_lwjgl_openal_eax_EAXBufferProperties_sizeOfEaxBufferProperties(JNIEnv *env, jobject obj) {
 #ifdef _WIN32
 	return sizeof(EAXBUFFERPROPERTIES);
+#else
+    return 0;
 #endif
 }
 
diff --git a/src/native/common/org_lwjgl_openal_eax_EAXListenerProperties.cpp b/src/native/common/org_lwjgl_openal_eax_EAXListenerProperties.cpp
index ea57263e..1ac759a8 100644
--- a/src/native/common/org_lwjgl_openal_eax_EAXListenerProperties.cpp
+++ b/src/native/common/org_lwjgl_openal_eax_EAXListenerProperties.cpp
@@ -45,6 +45,8 @@
 JNIEXPORT jint JNICALL Java_org_lwjgl_openal_eax_EAXListenerProperties_sizeOfEaxListenerProperties(JNIEnv *env, jobject obj) {
 #ifdef _WIN32
 	return sizeof(EAXLISTENERPROPERTIES);
+#else
+    return 0;
 #endif
 }