1 files changed, 1 insertions, 0 deletions
diff --git a/src/parser.c b/src/parser.c
index 4be9d4e..d2832a1 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -13,12 +13,13 @@
 
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 
 #include <cflow.h>
 #include <parser.h>
+#include <ctype.h>
 
 typedef struct {
      char *name;
      int type_end;
      int parmcnt;
      int line;