diff --git a/Core/HLE/scePsmf.cpp b/Core/HLE/scePsmf.cpp
index ff6f2aef46..9715e33716 100644
--- a/Core/HLE/scePsmf.cpp
+++ b/Core/HLE/scePsmf.cpp
@@ -1301,6 +1301,11 @@ int scePsmfPlayerStart(u32 psmfPlayer, u32 psmfPlayerData, int initPts)
 		break;
 	}
 
+	if (psmfplayer->playerVersion == PSMF_PLAYER_VERSION_BASIC && initPts != 0) {
+		ERROR_LOG_REPORT(ME, "scePsmfPlayerStart(%08x, %08x, %d): unable to seek without EPmap", psmfPlayer, psmfPlayerData, initPts);
+		return ERROR_PSMFPLAYER_INVALID_PARAM;
+	}
+
 	WARN_LOG(ME, "scePsmfPlayerStart(%08x, %08x, %d)", psmfPlayer, psmfPlayerData, initPts);
 
 	psmfplayer->mediaengine->setVideoStream(playerData->videoStreamNum);