diff --git a/amy.py b/amy.py
index e722b2b..7eea5c0 100644
--- a/amy.py
+++ b/amy.py
@@ -5,7 +5,7 @@
 AMY_NCHANS = 2
 AMY_OSCS = 120
 MAX_QUEUE = 400
-[SINE, PULSE, SAW_DOWN, SAW_UP, TRIANGLE, NOISE, KS, PCM, ALGO, PARTIAL, PARTIALS, OFF] = range(12)
+[SINE, PULSE, SAW_DOWN, SAW_UP, TRIANGLE, NOISE, KS, PCM, ALGO, PARTIAL, PARTIALS, CUSTOM, OFF] = range(13)
 TARGET_AMP, TARGET_DUTY, TARGET_FREQ, TARGET_FILTER_FREQ, TARGET_RESONANCE, TARGET_FEEDBACK, TARGET_LINEAR, TARGET_TRUE_EXPONENTIAL, TARGET_DX7_EXPONENTIAL, TARGET_PAN = (1, 2, 4, 8, 16, 32, 64, 128, 256, 512)
 FILTER_NONE, FILTER_LPF, FILTER_BPF, FILTER_HPF, FILTER_LPF24 = range(5)
 AMY_LATENCY_MS = 0
diff --git a/src/amy.h b/src/amy.h
index d96647a..549c8be 100644
--- a/src/amy.h
+++ b/src/amy.h
@@ -100,6 +100,7 @@ enum coefs{
 #define PARTIALS 10
 #define CUSTOM 11
 #define WAVE_OFF 12
+
 // synth[].status values
 #define EMPTY 0
 #define SCHEDULED 1
diff --git a/src/amy_config.h b/src/amy_config.h
index 08c7215..e74896b 100644
--- a/src/amy_config.h
+++ b/src/amy_config.h
@@ -24,11 +24,10 @@ extern const uint16_t pcm_samples;
 #define AMY_MAX_DRIFT_MS 20000   // ms of time you can schedule ahead before synth recomputes time base
 #define AMY_KS_OSCS 1            // How many karplus-strong oscillators to keep track of (0 disables KS)
 #define AMY_HAS_PARTIALS 1       // 1 = Make partials available
-#define AMY_HAS_CUSTOM 0         // 1 = Make custom oscillators available
+#define AMY_HAS_CUSTOM 1         // 1 = Make custom oscillators available
 #define PCM_AMY_SAMPLE_RATE 22050
 #define AMY_EVENT_FIFO_LEN 2000
 
-
 //If using an ESP, tell us how to allocate ram here. Not used on other platforms.
 #ifdef ESP_PLATFORM
 #include <esp_heap_caps.h>