diff --git a/examples/rtai_rtdm/main.c b/examples/rtai_rtdm/main.c
index 577310f7..d7570efc 100644
--- a/examples/rtai_rtdm/main.c
+++ b/examples/rtai_rtdm/main.c
@@ -38,7 +38,7 @@ RT_TASK *task;
 
 const static unsigned int cycle_us = 1000; /* 1 ms */
 
-static int run = 1;
+static volatile sig_atomic_t run = 1;
 
 /****************************************************************************/
 
diff --git a/examples/rtai_rtdm_dc/main.c b/examples/rtai_rtdm_dc/main.c
index 61fa4ae4..1676cae4 100644
--- a/examples/rtai_rtdm_dc/main.c
+++ b/examples/rtai_rtdm_dc/main.c
@@ -38,7 +38,7 @@ RT_TASK *task;
 
 static unsigned int cycle_ns = 1000000; /* 1 ms */
 
-static int run = 1;
+static volatile sig_atomic_t run = 1;
 
 /****************************************************************************/
 
diff --git a/examples/xenomai/main.c b/examples/xenomai/main.c
index ca3d8674..c2cddb16 100644
--- a/examples/xenomai/main.c
+++ b/examples/xenomai/main.c
@@ -41,7 +41,7 @@
 
 RT_TASK my_task;
 
-static int run = 1;
+static volatile sig_atomic_t run = 1;
 
 /****************************************************************************/
 
diff --git a/examples/xenomai_posix/main.c b/examples/xenomai_posix/main.c
index 71593b75..b78e7499 100644
--- a/examples/xenomai_posix/main.c
+++ b/examples/xenomai_posix/main.c
@@ -43,7 +43,7 @@ static unsigned int cycle_us = 1000; /* 1 ms */
 
 static pthread_t cyclic_thread;
 
-static int run = 1;
+static volatile sig_atomic_t run = 1;
 
 /****************************************************************************/