1 files changed, 1 insertions, 1 deletions

diff --git a/include/litmus/fdso.h b/include/litmus/fdso.h
index 85a649e2722d..a13edfc6366c 100644
--- a/include/litmus/fdso.h
+++ b/include/litmus/fdso.h
@@ -14,7 +14,7 @@
 
 #define MAX_OBJECT_DESCRIPTORS 32
 
-typedef unsigned int resource_mask_t;
+typedef unsigned long resource_mask_t;
 
 typedef enum  {
         MIN_OBJ_TYPE    = 0,