2 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/libcrypto/ui/ui_openssl.c b/src/lib/libcrypto/ui/ui_openssl.c
index 4e12165410..821dd29eaa 100644
--- a/src/lib/libcrypto/ui/ui_openssl.c
+++ b/src/lib/libcrypto/ui/ui_openssl.c
@@ -378,7 +378,7 @@ static void read_till_nl(FILE *in)
                 } while (strchr(buf,'\n') == NULL);
         }
 
-static sig_atomic_t intr_signal;
+static volatile sig_atomic_t intr_signal;
 
 static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl)
         {
diff --git a/src/lib/libssl/src/crypto/ui/ui_openssl.c b/src/lib/libssl/src/crypto/ui/ui_openssl.c
index 4e12165410..821dd29eaa 100644
--- a/src/lib/libssl/src/crypto/ui/ui_openssl.c
+++ b/src/lib/libssl/src/crypto/ui/ui_openssl.c
@@ -378,7 +378,7 @@ static void read_till_nl(FILE *in)
                 } while (strchr(buf,'\n') == NULL);
         }
 
-static sig_atomic_t intr_signal;
+static volatile sig_atomic_t intr_signal;
 
 static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl)
         {