diff --git a/src/dpiImpl.h b/src/dpiImpl.h
index 4049c951..a9d76177 100644
--- a/src/dpiImpl.h
+++ b/src/dpiImpl.h
@@ -280,6 +280,7 @@ extern unsigned long dpiDebugLevel;
 #define DPI_SQLT_INT                                3
 #define DPI_SQLT_FLT                                4
 #define DPI_SQLT_VNU                                6
+#define DPI_SQLT_PDN                                7
 #define DPI_SQLT_LNG                                8
 #define DPI_SQLT_VCS                                9
 #define DPI_SQLT_DAT                                12
diff --git a/src/dpiOracleType.c b/src/dpiOracleType.c
index 5f9da03c..5b6a4d0d 100644
--- a/src/dpiOracleType.c
+++ b/src/dpiOracleType.c
@@ -300,6 +300,7 @@ static dpiOracleTypeNum dpiOracleType__convertFromOracle(uint16_t typeCode,
             return DPI_ORACLE_TYPE_VARCHAR;
         case DPI_SQLT_FLT:
         case DPI_SQLT_NUM:
+        case DPI_SQLT_PDN:
         case DPI_SQLT_VNU:
         case DPI_SQLT_BFLOAT:
         case DPI_SQLT_BDOUBLE: