diff --git a/src/engine/platform/ym2608.cpp b/src/engine/platform/ym2608.cpp
index 4f05fc01c..236e6a087 100644
--- a/src/engine/platform/ym2608.cpp
+++ b/src/engine/platform/ym2608.cpp
@@ -428,7 +428,7 @@ double DivPlatformYM2608::NOTE_ADPCMB(int note) {
 void DivPlatformYM2608::acquire(short* bufL, short* bufR, size_t start, size_t len) {
   static int os[2];
 
-  ymfm::ym2612::fm_engine* fme=fm->debug_fm_engine();
+  ymfm::ym2608::fm_engine* fme=fm->debug_fm_engine();
   ymfm::ssg_engine* ssge=fm->debug_ssg_engine();
   ymfm::adpcm_a_engine* aae=fm->debug_adpcm_a_engine();
   ymfm::adpcm_b_engine* abe=fm->debug_adpcm_b_engine();
diff --git a/src/engine/platform/ym2610.cpp b/src/engine/platform/ym2610.cpp
index 0797110c7..ce3e4b7c1 100644
--- a/src/engine/platform/ym2610.cpp
+++ b/src/engine/platform/ym2610.cpp
@@ -470,7 +470,7 @@ double DivPlatformYM2610::NOTE_ADPCMB(int note) {
 void DivPlatformYM2610::acquire(short* bufL, short* bufR, size_t start, size_t len) {
   static int os[2];
 
-  ymfm::ym2612::fm_engine* fme=fm->debug_fm_engine();
+  ymfm::ym2610::fm_engine* fme=fm->debug_fm_engine();
   ymfm::ssg_engine* ssge=fm->debug_ssg_engine();
   ymfm::adpcm_a_engine* aae=fm->debug_adpcm_a_engine();
   ymfm::adpcm_b_engine* abe=fm->debug_adpcm_b_engine();
diff --git a/src/engine/platform/ym2610b.cpp b/src/engine/platform/ym2610b.cpp
index c9d29736c..5a36aaaf4 100644
--- a/src/engine/platform/ym2610b.cpp
+++ b/src/engine/platform/ym2610b.cpp
@@ -450,7 +450,7 @@ double DivPlatformYM2610B::NOTE_ADPCMB(int note) {
 void DivPlatformYM2610B::acquire(short* bufL, short* bufR, size_t start, size_t len) {
   static int os[2];
 
-  ymfm::ym2612::fm_engine* fme=fm->debug_fm_engine();
+  ymfm::ym2610b::fm_engine* fme=fm->debug_fm_engine();
   ymfm::ssg_engine* ssge=fm->debug_ssg_engine();
   ymfm::adpcm_a_engine* aae=fm->debug_adpcm_a_engine();
   ymfm::adpcm_b_engine* abe=fm->debug_adpcm_b_engine();