diff --git a/ext/opcache/jit/ir/ir_emit.c b/ext/opcache/jit/ir/ir_emit.c
index 334767b4c05..ea39830da08 100644
--- a/ext/opcache/jit/ir/ir_emit.c
+++ b/ext/opcache/jit/ir/ir_emit.c
@@ -41,7 +41,7 @@
 
 #define DASM_M_FREE(ctx, p, sz) ir_mem_free(p)
 
-#if IR_DEBUG
+#ifdef IR_DEBUG
 # define DASM_CHECKS
 #endif
 
diff --git a/ext/opcache/jit/ir/ir_ra.c b/ext/opcache/jit/ir/ir_ra.c
index 0608b53d6f6..5c1eee0f34b 100644
--- a/ext/opcache/jit/ir/ir_ra.c
+++ b/ext/opcache/jit/ir/ir_ra.c
@@ -2771,7 +2771,7 @@ static void ir_merge_to_unhandled(ir_live_interval **unhandled, ir_live_interval
 			ival = ival->next;
 		}
 	}
-#if IR_DEBUG
+#ifdef IR_DEBUG
 	ival = *unhandled;
 	pos = 0;