diff --git a/bootstrap/unix-44/Out.c b/bootstrap/unix-44/Out.c
index 4c3982b5..65e2e307 100644
--- a/bootstrap/unix-44/Out.c
+++ b/bootstrap/unix-44/Out.c
@@ -155,7 +155,7 @@ void Out_HexDumpAdr (INT32 adr, INT64 offset, INT32 length)
 	INT16 i;
 	INT32 n, lim;
 	CHAR c;
-	lim = adr + length;
+	lim = (INT32)(adr + length);
 	while (adr < lim) {
 		if (adr + 16 < lim) {
 			n = 16;
diff --git a/bootstrap/unix-48/Out.c b/bootstrap/unix-48/Out.c
index 4c3982b5..65e2e307 100644
--- a/bootstrap/unix-48/Out.c
+++ b/bootstrap/unix-48/Out.c
@@ -155,7 +155,7 @@ void Out_HexDumpAdr (INT32 adr, INT64 offset, INT32 length)
 	INT16 i;
 	INT32 n, lim;
 	CHAR c;
-	lim = adr + length;
+	lim = (INT32)(adr + length);
 	while (adr < lim) {
 		if (adr + 16 < lim) {
 			n = 16;
diff --git a/bootstrap/unix-88/Out.c b/bootstrap/unix-88/Out.c
index c9c42bdb..d4d8e5f4 100644
--- a/bootstrap/unix-88/Out.c
+++ b/bootstrap/unix-88/Out.c
@@ -155,7 +155,7 @@ void Out_HexDumpAdr (INT64 adr, INT64 offset, INT32 length)
 	INT16 i;
 	INT64 n, lim;
 	CHAR c;
-	lim = adr + (INT64)length;
+	lim = (INT64)(adr + (INT64)length);
 	while (adr < lim) {
 		if (adr + 16 < lim) {
 			n = 16;
diff --git a/bootstrap/windows-48/Out.c b/bootstrap/windows-48/Out.c
index 767779ee..7e1c7459 100644
--- a/bootstrap/windows-48/Out.c
+++ b/bootstrap/windows-48/Out.c
@@ -155,7 +155,7 @@ void Out_HexDumpAdr (INT32 adr, INT64 offset, INT32 length)
 	INT16 i;
 	INT32 n, lim;
 	CHAR c;
-	lim = adr + length;
+	lim = (INT32)(adr + length);
 	while (adr < lim) {
 		if (adr + 16 < lim) {
 			n = 16;
diff --git a/bootstrap/windows-88/Out.c b/bootstrap/windows-88/Out.c
index 4e33a095..66c81d4e 100644
--- a/bootstrap/windows-88/Out.c
+++ b/bootstrap/windows-88/Out.c
@@ -155,7 +155,7 @@ void Out_HexDumpAdr (INT64 adr, INT64 offset, INT32 length)
 	INT16 i;
 	INT64 n, lim;
 	CHAR c;
-	lim = adr + (INT64)length;
+	lim = (INT64)(adr + (INT64)length);
 	while (adr < lim) {
 		if (adr + 16 < lim) {
 			n = 16;