diff --git a/lib/gssapi/arcfour.c b/lib/gssapi/arcfour.c
index 102edf16f..3734ecfb0 100644
--- a/lib/gssapi/arcfour.c
+++ b/lib/gssapi/arcfour.c
@@ -244,7 +244,7 @@ _gssapi_verify_mic_arcfour(OM_uint32 * minor_status,
 			   char *type)
 {
     krb5_error_code ret;
-    int32_t seq_number;
+    uint32_t seq_number;
     OM_uint32 omret;
     u_char SND_SEQ[8], cksum_data[8], *p;
     char k6_data[16];
@@ -478,7 +478,7 @@ OM_uint32 _gssapi_unwrap_arcfour(OM_uint32 *minor_status,
     u_char Klocaldata[16];
     krb5_keyblock Klocal;
     krb5_error_code ret;
-    int32_t seq_number;
+    uint32_t seq_number;
     size_t datalen;
     OM_uint32 omret;
     u_char k6_data[16], SND_SEQ[8], Confounder[8];
diff --git a/lib/gssapi/krb5/arcfour.c b/lib/gssapi/krb5/arcfour.c
index 102edf16f..3734ecfb0 100644
--- a/lib/gssapi/krb5/arcfour.c
+++ b/lib/gssapi/krb5/arcfour.c
@@ -244,7 +244,7 @@ _gssapi_verify_mic_arcfour(OM_uint32 * minor_status,
 			   char *type)
 {
     krb5_error_code ret;
-    int32_t seq_number;
+    uint32_t seq_number;
     OM_uint32 omret;
     u_char SND_SEQ[8], cksum_data[8], *p;
     char k6_data[16];
@@ -478,7 +478,7 @@ OM_uint32 _gssapi_unwrap_arcfour(OM_uint32 *minor_status,
     u_char Klocaldata[16];
     krb5_keyblock Klocal;
     krb5_error_code ret;
-    int32_t seq_number;
+    uint32_t seq_number;
     size_t datalen;
     OM_uint32 omret;
     u_char k6_data[16], SND_SEQ[8], Confounder[8];
diff --git a/lib/gssapi/krb5/unwrap.c b/lib/gssapi/krb5/unwrap.c
index a87ff7b38..3072fca50 100644
--- a/lib/gssapi/krb5/unwrap.c
+++ b/lib/gssapi/krb5/unwrap.c
@@ -54,7 +54,7 @@ unwrap_des
   DES_cblock deskey;
   DES_cblock zero;
   int i;
-  int32_t seq_number;
+  uint32_t seq_number;
   size_t padlength;
   OM_uint32 ret;
   int cstate;
@@ -187,7 +187,7 @@ unwrap_des3
   u_char *seq;
   krb5_data seq_data;
   u_char cksum[20];
-  int32_t seq_number;
+  uint32_t seq_number;
   size_t padlength;
   OM_uint32 ret;
   int cstate;
diff --git a/lib/gssapi/krb5/verify_mic.c b/lib/gssapi/krb5/verify_mic.c
index e5ccb8317..da5599de7 100644
--- a/lib/gssapi/krb5/verify_mic.c
+++ b/lib/gssapi/krb5/verify_mic.c
@@ -52,7 +52,7 @@ verify_mic_des
   DES_key_schedule schedule;
   DES_cblock zero;
   DES_cblock deskey;
-  int32_t seq_number;
+  uint32_t seq_number;
   OM_uint32 ret;
   int cmp;
 
@@ -140,7 +140,7 @@ verify_mic_des3
 {
   u_char *p;
   u_char *seq;
-  int32_t seq_number;
+  uint32_t seq_number;
   OM_uint32 ret;
   krb5_crypto crypto;
   krb5_data seq_data;
diff --git a/lib/gssapi/unwrap.c b/lib/gssapi/unwrap.c
index a87ff7b38..3072fca50 100644
--- a/lib/gssapi/unwrap.c
+++ b/lib/gssapi/unwrap.c
@@ -54,7 +54,7 @@ unwrap_des
   DES_cblock deskey;
   DES_cblock zero;
   int i;
-  int32_t seq_number;
+  uint32_t seq_number;
   size_t padlength;
   OM_uint32 ret;
   int cstate;
@@ -187,7 +187,7 @@ unwrap_des3
   u_char *seq;
   krb5_data seq_data;
   u_char cksum[20];
-  int32_t seq_number;
+  uint32_t seq_number;
   size_t padlength;
   OM_uint32 ret;
   int cstate;
diff --git a/lib/gssapi/verify_mic.c b/lib/gssapi/verify_mic.c
index e5ccb8317..da5599de7 100644
--- a/lib/gssapi/verify_mic.c
+++ b/lib/gssapi/verify_mic.c
@@ -52,7 +52,7 @@ verify_mic_des
   DES_key_schedule schedule;
   DES_cblock zero;
   DES_cblock deskey;
-  int32_t seq_number;
+  uint32_t seq_number;
   OM_uint32 ret;
   int cmp;
 
@@ -140,7 +140,7 @@ verify_mic_des3
 {
   u_char *p;
   u_char *seq;
-  int32_t seq_number;
+  uint32_t seq_number;
   OM_uint32 ret;
   krb5_crypto crypto;
   krb5_data seq_data;