diff --git a/gebs.c b/gebs.c
index c6382c2..057bd49 100644
--- a/gebs.c
+++ b/gebs.c
@@ -10,19 +10,16 @@ int main(int argc, char ** argv)
         mkdir1("build");
     }
 
-    if (needs_rebuild_many("build/self_rebuild", "example/self_rebuild.c", "gebs.h")) {
-        if (CMD("gcc", "-ggdb", "-o", "build/self_rebuild", "example/self_rebuild.c") != 0)
-            return 1;
-    }
-    if (needs_rebuild_many("build/arena", "example/arena.c", "gebs.h")) {
-        if (CMD("gcc", "-ggdb", "-o", "build/arena", "example/arena.c") != 0)
-            return 1;
+    RULE("build/self_rebuild", "example/self_rebuild.c", "gebs.h") {
+        CMD("gcc", "-ggdb", "-o", "build/self_rebuild", "example/self_rebuild.c");
     }
 
-    if (needs_rebuild_many("build/commands", "example/commands.c", "gebs.h")) {
-        if (CMD("gcc", "-ggdb", "-o", "build/commands", "example/commands.c") != 0) {
-            return 1;
-        }
+    RULE("build/arena", "example/arena.c", "gebs.h") {
+        CMD("gcc", "-ggdb", "-o", "build/arena", "example/arena.c");
+    }
+
+    RULE("build/commands", "example/commands.c", "gebs.h") {
+        CMD("gcc", "-ggdb", "-o", "build/commands", "example/commands.c");
     }
 
     return 0;
diff --git a/gebs.h b/gebs.h
index bb44ac4..9c873c1 100644
--- a/gebs.h
+++ b/gebs.h
@@ -291,6 +291,8 @@ void gebs_rebuild_self1_alloc(Gebs_Allocator *alloc, int argc, char ** argv,
         } \
     } while(0)
 
+#define GEBS_RULE(target, ...) if (needs_rebuild_many(target, __VA_ARGS__))
+
 // ----------------------------------------------------------------------------
 // Scratch arena
 // ----------------------------------------------------------------------------
@@ -754,6 +756,7 @@ void gebs_rebuild_self1_alloc(Gebs_Allocator *alloc, int argc, char ** argv,
 #define needs_rebuild_many          gebs_needs_rebuild_many
 #define rebuild_self                gebs_rebuild_self
 #define make_compile_flags          gebs_make_compile_flags
+#define RULE                        GEBS_RULE
 
 #define scratch_arena               gebs_scratch_arena
 #define fmt                         gebs_fmt