diff --git a/crypto/asn1/a_gentm.c b/crypto/asn1/a_gentm.c
index d130cdf..5fcb65b 100644
--- a/crypto/asn1/a_gentm.c
+++ b/crypto/asn1/a_gentm.c
@@ -148,7 +148,7 @@
     if (a[o] == 'Z')
         o++;
     else if ((a[o] == '+') || (a[o] == '-')) {
-        int offsign = a[o] == '-' ? -1 : 1, offset = 0;
+        int offsign = a[o] == '-' ? 1 : -1, offset = 0;
         o++;
         if (o + 4 > l)
             goto err;
diff --git a/crypto/asn1/a_utctm.c b/crypto/asn1/a_utctm.c
index 193b83f..f7519df 100644
--- a/crypto/asn1/a_utctm.c
+++ b/crypto/asn1/a_utctm.c
@@ -127,7 +127,7 @@
     if (a[o] == 'Z')
         o++;
     else if ((a[o] == '+') || (a[o] == '-')) {
-        int offsign = a[o] == '-' ? -1 : 1, offset = 0;
+        int offsign = a[o] == '-' ? 1 : -1, offset = 0;
         o++;
         if (o + 4 > l)
             goto err;