diff --git a/src/mame/audio/dcs.cpp b/src/mame/audio/dcs.cpp
index f887d59011d..eda1167a1e3 100644
--- a/src/mame/audio/dcs.cpp
+++ b/src/mame/audio/dcs.cpp
@@ -1896,9 +1896,9 @@ WRITE16_MEMBER(dcs_audio_device:: adsp_control_w )
 
 		case S1_CONTROL_REG:
 			if (((data >> 4) & 3) == 2)
-				logerror("DCS: Oh no!, the data is compresed with u-law encoding\n");
+				logerror("DCS: Oh no!, the data is compressed with u-law encoding\n");
 			if (((data >> 4) & 3) == 3)
-				logerror("DCS: Oh no!, the data is compresed with A-law encoding\n");
+				logerror("DCS: Oh no!, the data is compressed with A-law encoding\n");
 			break;
 
 		case TIMER_SCALE_REG:
diff --git a/src/mame/drivers/gaelco3d.cpp b/src/mame/drivers/gaelco3d.cpp
index 0170d609e85..d7b3652da95 100644
--- a/src/mame/drivers/gaelco3d.cpp
+++ b/src/mame/drivers/gaelco3d.cpp
@@ -582,9 +582,9 @@ WRITE16_MEMBER(gaelco3d_state::adsp_control_w)
 
 		case S1_CONTROL_REG:
 			if (((data >> 4) & 3) == 2)
-				logerror("Oh no!, the data is compresed with u-law encoding\n");
+				logerror("Oh no!, the data is compressed with u-law encoding\n");
 			if (((data >> 4) & 3) == 3)
-				logerror("Oh no!, the data is compresed with A-law encoding\n");
+				logerror("Oh no!, the data is compressed with A-law encoding\n");
 			break;
 	}
 }