diff --git a/v2/engine/headers.c b/v2/engine/headers.c
index 7e0144016..945689eb6 100644
--- a/v2/engine/headers.c
+++ b/v2/engine/headers.c
@@ -137,7 +137,10 @@ headers1(
     static int count = 0;
     ++count;
     if ( ((count == 100) || !( count % 1000 )) && DEBUG_MAKE )
+    {
         printf("...patience...\n");
+        fflush(stdout);
+    }
 #endif
 
     /* the following regexp is used to detect cases where a  */
diff --git a/v2/engine/make.c b/v2/engine/make.c
index a4120b384..f38d271d0 100644
--- a/v2/engine/make.c
+++ b/v2/engine/make.c
@@ -714,7 +714,10 @@ void make0
         ++counts->targets;
 #else
         if ( !( ++counts->targets % 1000 ) && DEBUG_MAKE )
+        {
             printf( "...patience...\n" );
+            fflush(stdout);
+        }
 #endif
 
         if ( fate == T_FATE_ISTMP )