diff --git a/Makefile.Watcom b/Makefile.Watcom
index ee31f47d..fddba58e 100644
--- a/Makefile.Watcom
+++ b/Makefile.Watcom
@@ -41,8 +41,8 @@ MD = mkdir
 RD = rmdir /q /s 2>NUL
 CP = copy
 
-CFLAGS = -3r -mf -hc -zff -zgf -zq -zm -zc -s -fr=con -w2 -fpi -oilrtfm -aa &
-         -wcd=201 -bt=nt -d+ -dWIN32 -dCARES_BUILDING_LIBRARY               &
+CFLAGS = -3r -mf -hc -zff -zgf -zq -zm -zc -s -fr=con -w2 -fpi -oilrtfm -aa   &
+         -wcd=201 -bt=nt -d+ -dWIN32 -dCARES_BUILDING_LIBRARY &
          -dNTDDI_VERSION=0x06000000 -I. -I.\include -I.\src\lib $(SYS_INCL)
 
 LFLAGS = option quiet, map, caseexact, eliminate
diff --git a/src/lib/config-win32.h b/src/lib/config-win32.h
index 4ef71cb5..87cb4cbe 100644
--- a/src/lib/config-win32.h
+++ b/src/lib/config-win32.h
@@ -87,6 +87,12 @@
 #define HAVE_SYS_TYPES_H 1
 #define HAVE_SYS_STAT_H  1
 
+/* If we are building with OpenWatcom, we need to specify that we have
+ * <stdint.h>. */
+#if defined(__WATCOMC__)
+#define HAVE_STDINT_H
+#endif
+
 /* ---------------------------------------------------------------- */
 /*                        OTHER HEADER INFO                         */
 /* ---------------------------------------------------------------- */