diff --git a/src/os/win32/sigar_os.h b/src/os/win32/sigar_os.h
index 8140bc48..fdce6b0f 100644
--- a/src/os/win32/sigar_os.h
+++ b/src/os/win32/sigar_os.h
@@ -273,6 +273,7 @@ typedef struct {
     char name[SIGAR_PROC_NAME_LEN];
     char state;
     sigar_uint64_t handles;
+    sigar_uint64_t threads;
 } sigar_win32_pinfo_t;
 
 struct sigar_t {
diff --git a/src/os/win32/win32_sigar.c b/src/os/win32/win32_sigar.c
index fa3be9b9..78829064 100644
--- a/src/os/win32/win32_sigar.c
+++ b/src/os/win32/win32_sigar.c
@@ -948,6 +948,7 @@ SIGAR_DECLARE(int) sigar_proc_state_get(sigar_t *sigar, sigar_pid_t pid,
     procstate->priority = pinfo->priority;
     procstate->nice = SIGAR_FIELD_NOTIMPL;
     procstate->tty =  SIGAR_FIELD_NOTIMPL;
+    procstate->threads = pinfo->threads;
 
     return SIGAR_OK;
 }
@@ -1048,6 +1049,7 @@ static int get_proc_info(sigar_t *sigar, sigar_pid_t pid)
         pinfo->ppid     = PERF_VAL(PERF_IX_PPID);
         pinfo->priority = PERF_VAL(PERF_IX_PRIORITY);
         pinfo->handles  = PERF_VAL(PERF_IX_HANDLE_CNT);
+        pinfo->threads  = PERF_VAL(PERF_IX_THREAD_CNT);
 
         return SIGAR_OK;
     }