diff --git a/framesequence/jni/JNIHelpers.h b/framesequence/jni/JNIHelpers.h
index bb850d2..3718b38 100644
--- a/framesequence/jni/JNIHelpers.h
+++ b/framesequence/jni/JNIHelpers.h
@@ -19,7 +19,7 @@
 
 #include <jni.h>
 
-#define METHOD_COUNT(methodArray) (sizeof(methodArray) / sizeof(methodArray[0]))
+#define METHOD_COUNT(methodArray) (sizeof(methodArray) / sizeof((methodArray)[0]))
 
 #define ILLEGAL_STATE_EXEPTION "java/lang/IllegalStateException"