diff --git a/mem/hp_malloc_stats.c b/mem/hp_malloc_stats.c
index 07ce1a35d1d..799b8d7442e 100644
--- a/mem/hp_malloc_stats.c
+++ b/mem/hp_malloc_stats.c
@@ -225,9 +225,9 @@ void hp_init_rpm_statistics(struct hp_block *hpb)
 	rpm_rused->flags |= STAT_NO_RESET;
 	rpm_frags->flags |= STAT_NO_RESET;
 #endif
-	update_stat(rpm_used, hpb->used);
-	update_stat(rpm_rused, hpb->real_used);
-	update_stat(rpm_frags, hpb->total_fragments);
+	update_stat(rpm_used, (int)hpb->used);
+	update_stat(rpm_rused, (int)hpb->real_used);
+	update_stat(rpm_frags, (int)hpb->total_fragments);
 
 	LM_DBG("initializing atomic rpm statistics: "
 	       "[ us: %ld | rus: %ld | frags: %ld ]\n", hpb->used, hpb->real_used, hpb->total_fragments);
diff --git a/mem/hp_malloc_stats.h b/mem/hp_malloc_stats.h
index ec2ecde4a08..2c64a228b05 100644
--- a/mem/hp_malloc_stats.h
+++ b/mem/hp_malloc_stats.h
@@ -92,8 +92,8 @@ unsigned long hp_rpm_get_frags(struct hp_block *hpb);
 #else /* HP_MALLOC_FAST_STATS */
 	#define update_stats_shm_frag_attach(frag) \
 		do { \
-			update_stat(shm_used, -(frag)->size); \
-			update_stat(shm_rused, -((frag)->size + FRAG_OVERHEAD)); \
+			update_stat(shm_used, -(int)(frag)->size); \
+			update_stat(shm_rused, -(int)((frag)->size + FRAG_OVERHEAD)); \
 		} while (0)
 
 	#define update_stats_shm_frag_detach(frag) \
@@ -111,8 +111,8 @@ unsigned long hp_rpm_get_frags(struct hp_block *hpb);
 
 	#define update_stats_rpm_frag_attach(frag) \
 		do { \
-			update_stat(rpm_used, -(frag)->size); \
-			update_stat(rpm_rused, -((frag)->size + FRAG_OVERHEAD)); \
+			update_stat(rpm_used, -(int)(frag)->size); \
+			update_stat(rpm_rused, -(int)((frag)->size + FRAG_OVERHEAD)); \
 		} while (0)
 
 	#define update_stats_rpm_frag_detach(frag) \