diff --git a/configure b/configure
index 2c58af3eace..54982ab2aad 100755
--- a/configure
+++ b/configure
@@ -4509,7 +4509,7 @@ if test "$cross_compiling" = yes; then
 		# IPHONEOS_DEPLOYMENT_TARGET is the minimum supported iOS version
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking iOS deployment target" >&5
 printf %s "checking iOS deployment target... " >&6; }
-		IPHONEOS_DEPLOYMENT_TARGET=${_host_os:3}
+		IPHONEOS_DEPLOYMENT_TARGET=$(echo ${_host_os} | cut -c4-)
 		IPHONEOS_DEPLOYMENT_TARGET=${IPHONEOS_DEPLOYMENT_TARGET:=13.0}
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $IPHONEOS_DEPLOYMENT_TARGET" >&5
 printf "%s\n" "$IPHONEOS_DEPLOYMENT_TARGET" >&6; }
diff --git a/configure.ac b/configure.ac
index 3c1dc1cc501..32e673e83e5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -758,7 +758,7 @@ if test "$cross_compiling" = yes; then
 
 		# IPHONEOS_DEPLOYMENT_TARGET is the minimum supported iOS version
 		AC_MSG_CHECKING([iOS deployment target])
-		IPHONEOS_DEPLOYMENT_TARGET=${_host_os:3}
+		IPHONEOS_DEPLOYMENT_TARGET=$(echo ${_host_os} | cut -c4-)
 		IPHONEOS_DEPLOYMENT_TARGET=${IPHONEOS_DEPLOYMENT_TARGET:=13.0}
 		AC_MSG_RESULT([$IPHONEOS_DEPLOYMENT_TARGET])