diff --git a/debian/patches/series b/debian/patches/series
index 827b7f087..69c74a4a7 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -20,6 +20,7 @@ upstream/pv-new-function-pv_evalx-dst-fmt.patch
 upstream/pv_trans_cfg_line.patch
 upstream/dialog-check-if-dialog-exists-after-event-route-exec.patch
 upstream/dialog-more-safety-checks-to-detect-if-dialog-is-gon.patch
+upstream/core-fix-mem_summary-comparation-when-SIGUSR1-is-rec.patch
 #
 ##
 no_lib64_on_64_bits.patch
diff --git a/debian/patches/upstream/core-fix-mem_summary-comparation-when-SIGUSR1-is-rec.patch b/debian/patches/upstream/core-fix-mem_summary-comparation-when-SIGUSR1-is-rec.patch
new file mode 100644
index 000000000..0e4437515
--- /dev/null
+++ b/debian/patches/upstream/core-fix-mem_summary-comparation-when-SIGUSR1-is-rec.patch
@@ -0,0 +1,58 @@
+From: Victor Seva <linuxmaniac@torreviejawireless.org>
+Date: Tue, 23 May 2017 18:07:54 +0200
+Subject: core: fix mem_summary comparation when SIGUSR1 is received
+
+>From http://www.kamailio.org/wiki/cookbooks/4.4.x/core#mem_summary
+ 1 - dump all the pkg used blocks (status)
+ 2 - dump all the shm used blocks (status)
+ 4 - summary of pkg used blocks
+ 8 - summary of shm used blocks
+---
+ main.c | 10 +++++-----
+ 1 file changed, 5 insertions(+), 5 deletions(-)
+
+diff --git a/main.c b/main.c
+index 8b2e8e8..b6f68df 100644
+--- a/main.c
++++ b/main.c
+@@ -709,7 +709,7 @@ void handle_sigs(void)
+ 				LOG(memlog, "Memory status (pkg):\n");
+ 				pkg_status();
+ 			}
+-			if (cfg_get(core, core_cfg, mem_summary) & 2) {
++			if (cfg_get(core, core_cfg, mem_summary) & 4) {
+ 				LOG(memlog, "Memory still-in-use summary (pkg):\n");
+ 				pkg_sums();
+ 			}
+@@ -717,11 +717,11 @@ void handle_sigs(void)
+ #endif
+ #ifdef SHM_MEM
+ 		if (memlog <= cfg_get(core, core_cfg, debug)){
+-			if (cfg_get(core, core_cfg, mem_summary) & 1) {
++			if (cfg_get(core, core_cfg, mem_summary) & 2) {
+ 				LOG(memlog, "Memory status (shm):\n");
+ 				shm_status();
+ 			}
+-			if (cfg_get(core, core_cfg, mem_summary) & 2) {
++			if (cfg_get(core, core_cfg, mem_summary) & 8) {
+ 				LOG(memlog, "Memory still-in-use summary (shm):\n");
+ 				shm_sums();
+ 			}
+@@ -821,7 +821,7 @@ void sig_usr(int signo)
+ 							LOG(memlog, "Memory status (pkg):\n");
+ 							pkg_status();
+ 						}
+-						if (cfg_get(core, core_cfg, mem_summary) & 2) {
++						if (cfg_get(core, core_cfg, mem_summary) & 4) {
+ 							LOG(memlog, "Memory still-in-use summary (pkg):"
+ 									"\n");
+ 							pkg_sums();
+@@ -840,7 +840,7 @@ void sig_usr(int signo)
+ 							LOG(memlog, "Memory status (pkg):\n");
+ 							pkg_status();
+ 						}
+-						if (cfg_get(core, core_cfg, mem_summary) & 2) {
++						if (cfg_get(core, core_cfg, mem_summary) & 4) {
+ 							LOG(memlog, "Memory still-in-use summary (pkg):\n");
+ 							pkg_sums();
+ 						}