diff --git a/plugins/php/versions/common/fileinfo.sh b/plugins/php/versions/common/fileinfo.sh
index a2be4a9a9..4de574ce6 100755
--- a/plugins/php/versions/common/fileinfo.sh
+++ b/plugins/php/versions/common/fileinfo.sh
@@ -58,10 +58,10 @@ Install_lib()
 		$serverPath/php/$version/bin/phpize
 		./configure --with-php-config=$serverPath/php/$version/bin/php-config
 
-		# FIND_C99=`cat Makefile|grep c99`
-		# if [ "$FIND_C99" == "" ];then
-		# 	sed -i $BAK 's/CFLAGS \=/CFLAGS \= -std=c99/g' Makefile
-		# fi
+		FIND_C99=`cat Makefile|grep c99`
+		if [ "$version" -gt "74" ] && [ "$FIND_C99" == "" ];then
+			sed -i $BAK 's/CFLAGS \=/CFLAGS \= -std=gnu99/g' Makefile
+		fi
 
 		make clean && make && make install && make clean